Home / 425,038.86-586,552.68-231,443.55

Finding the Fourth Proportional to 425,038.86, 586,552.68 and 231,443.55

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Solution

The fourth proportional to 425,038.86, 586,552.68 and 231,443.55 is: 319,391.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,038.86 : 586,552.68 = 231,443.55 : x
  2. Step 2: Convert to fraction form
    425,038.86/586,552.68 = 231,443.55/x
  3. Step 3: Cross multiply
    425,038.86x = 586,552.68 × 231,443.55
  4. Step 4: Simplify right side
    425,038.86x = 135,753,834,521.21
  5. Step 5: Solve for x
    x = 135,753,834,521.21/425,038.86
  6. Step 6: Final answer
    x = 319,391.58

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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.