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Finding the Fourth Proportional to 440,725.50, 661,275.32 and 240,812.35

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Solution

The fourth proportional to 440,725.50, 661,275.32 and 240,812.35 is: 361,320.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,725.50 : 661,275.32 = 240,812.35 : x
  2. Step 2: Convert to fraction form
    440,725.50/661,275.32 = 240,812.35/x
  3. Step 3: Cross multiply
    440,725.50x = 661,275.32 × 240,812.35
  4. Step 4: Simplify right side
    440,725.50x = 159,243,260,948.95
  5. Step 5: Solve for x
    x = 159,243,260,948.95/440,725.50
  6. Step 6: Final answer
    x = 361,320.73

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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.