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Finding the Fourth Proportional to 637,768.50, 956,696.49 and 211,303.50

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Solution

The fourth proportional to 637,768.50, 956,696.49 and 211,303.50 is: 316,969.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,768.50 : 956,696.49 = 211,303.50 : x
  2. Step 2: Convert to fraction form
    637,768.50/956,696.49 = 211,303.50/x
  3. Step 3: Cross multiply
    637,768.50x = 956,696.49 × 211,303.50
  4. Step 4: Simplify right side
    637,768.50x = 202,153,316,774.72
  5. Step 5: Solve for x
    x = 202,153,316,774.72/637,768.50
  6. Step 6: Final answer
    x = 316,969.74

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Similar ratio
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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.