Home / 424,976.16-586,471.68-231,385.20

Finding the Fourth Proportional to 424,976.16, 586,471.68 and 231,385.20

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Solution

The fourth proportional to 424,976.16, 586,471.68 and 231,385.20 is: 319,314.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,976.16 : 586,471.68 = 231,385.20 : x
  2. Step 2: Convert to fraction form
    424,976.16/586,471.68 = 231,385.20/x
  3. Step 3: Cross multiply
    424,976.16x = 586,471.68 × 231,385.20
  4. Step 4: Simplify right side
    424,976.16x = 135,700,866,971.14
  5. Step 5: Solve for x
    x = 135,700,866,971.14/424,976.16
  6. Step 6: Final answer
    x = 319,314.07

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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.