Home / 387,033.39-534,098.21-217,267.52

Finding the Fourth Proportional to 387,033.39, 534,098.21 and 217,267.52

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Solution

The fourth proportional to 387,033.39, 534,098.21 and 217,267.52 is: 299,824.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,033.39 : 534,098.21 = 217,267.52 : x
  2. Step 2: Convert to fraction form
    387,033.39/534,098.21 = 217,267.52/x
  3. Step 3: Cross multiply
    387,033.39x = 534,098.21 × 217,267.52
  4. Step 4: Simplify right side
    387,033.39x = 116,042,189,766.31
  5. Step 5: Solve for x
    x = 116,042,189,766.31/387,033.39
  6. Step 6: Final answer
    x = 299,824.75

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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.