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Finding the Fourth Proportional to 385,550.17, 532,117.99 and 240,379.50

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Solution

The fourth proportional to 385,550.17, 532,117.99 and 240,379.50 is: 331,760.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,550.17 : 532,117.99 = 240,379.50 : x
  2. Step 2: Convert to fraction form
    385,550.17/532,117.99 = 240,379.50/x
  3. Step 3: Cross multiply
    385,550.17x = 532,117.99 × 240,379.50
  4. Step 4: Simplify right side
    385,550.17x = 127,910,256,377.21
  5. Step 5: Solve for x
    x = 127,910,256,377.21/385,550.17
  6. Step 6: Final answer
    x = 331,760.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.