Home / 631,149.84-946,733.13-210,425.85

Finding the Fourth Proportional to 631,149.84, 946,733.13 and 210,425.85

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Solution

The fourth proportional to 631,149.84, 946,733.13 and 210,425.85 is: 315,641.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,149.84 : 946,733.13 = 210,425.85 : x
  2. Step 2: Convert to fraction form
    631,149.84/946,733.13 = 210,425.85/x
  3. Step 3: Cross multiply
    631,149.84x = 946,733.13 × 210,425.85
  4. Step 4: Simplify right side
    631,149.84x = 199,217,123,603.41
  5. Step 5: Solve for x
    x = 199,217,123,603.41/631,149.84
  6. Step 6: Final answer
    x = 315,641.57

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.