Home / 631,149.87-946,733.18-210,425.88

Finding the Fourth Proportional to 631,149.87, 946,733.18 and 210,425.88

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Solution

The fourth proportional to 631,149.87, 946,733.18 and 210,425.88 is: 315,641.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,149.87 : 946,733.18 = 210,425.88 : x
  2. Step 2: Convert to fraction form
    631,149.87/946,733.18 = 210,425.88/x
  3. Step 3: Cross multiply
    631,149.87x = 946,733.18 × 210,425.88
  4. Step 4: Simplify right side
    631,149.87x = 199,217,162,526.70
  5. Step 5: Solve for x
    x = 199,217,162,526.70/631,149.87
  6. Step 6: Final answer
    x = 315,641.61

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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.