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Finding the Fourth Proportional to 387,333.61, 533,957.04 and 270,684.92

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Solution

The fourth proportional to 387,333.61, 533,957.04 and 270,684.92 is: 373,151.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,333.61 : 533,957.04 = 270,684.92 : x
  2. Step 2: Convert to fraction form
    387,333.61/533,957.04 = 270,684.92/x
  3. Step 3: Cross multiply
    387,333.61x = 533,957.04 × 270,684.92
  4. Step 4: Simplify right side
    387,333.61x = 144,534,119,990.73
  5. Step 5: Solve for x
    x = 144,534,119,990.73/387,333.61
  6. Step 6: Final answer
    x = 373,151.51

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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.