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Finding the Fourth Proportional to 387,108.81, 580,007.81 and 237,035.66

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Solution

The fourth proportional to 387,108.81, 580,007.81 and 237,035.66 is: 355,152.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,108.81 : 580,007.81 = 237,035.66 : x
  2. Step 2: Convert to fraction form
    387,108.81/580,007.81 = 237,035.66/x
  3. Step 3: Cross multiply
    387,108.81x = 580,007.81 × 237,035.66
  4. Step 4: Simplify right side
    387,108.81x = 137,482,529,963.29
  5. Step 5: Solve for x
    x = 137,482,529,963.29/387,108.81
  6. Step 6: Final answer
    x = 355,152.16

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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.