Home / 387,555.71-534,973.03-226,463.12

Finding the Fourth Proportional to 387,555.71, 534,973.03 and 226,463.12

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Solution

The fourth proportional to 387,555.71, 534,973.03 and 226,463.12 is: 312,604.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,555.71 : 534,973.03 = 226,463.12 : x
  2. Step 2: Convert to fraction form
    387,555.71/534,973.03 = 226,463.12/x
  3. Step 3: Cross multiply
    387,555.71x = 534,973.03 × 226,463.12
  4. Step 4: Simplify right side
    387,555.71x = 121,151,661,489.65
  5. Step 5: Solve for x
    x = 121,151,661,489.65/387,555.71
  6. Step 6: Final answer
    x = 312,604.51

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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.