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Finding the Fourth Proportional to 373,762.89, 560,718.18 and 137,107.62

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Solution

The fourth proportional to 373,762.89, 560,718.18 and 137,107.62 is: 205,688.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,762.89 : 560,718.18 = 137,107.62 : x
  2. Step 2: Convert to fraction form
    373,762.89/560,718.18 = 137,107.62/x
  3. Step 3: Cross multiply
    373,762.89x = 560,718.18 × 137,107.62
  4. Step 4: Simplify right side
    373,762.89x = 76,878,735,150.53
  5. Step 5: Solve for x
    x = 76,878,735,150.53/373,762.89
  6. Step 6: Final answer
    x = 205,688.52

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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.