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Finding the Fourth Proportional to 502,997.85, 754,336.76 and 165,975.71

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Solution

The fourth proportional to 502,997.85, 754,336.76 and 165,975.71 is: 248,910.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,997.85 : 754,336.76 = 165,975.71 : x
  2. Step 2: Convert to fraction form
    502,997.85/754,336.76 = 165,975.71/x
  3. Step 3: Cross multiply
    502,997.85x = 754,336.76 × 165,975.71
  4. Step 4: Simplify right side
    502,997.85x = 125,201,574,718.54
  5. Step 5: Solve for x
    x = 125,201,574,718.54/502,997.85
  6. Step 6: Final answer
    x = 248,910.76

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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.