Home / 425,298.16-586,789.68-253,072.20

Finding the Fourth Proportional to 425,298.16, 586,789.68 and 253,072.20

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Solution

The fourth proportional to 425,298.16, 586,789.68 and 253,072.20 is: 349,167.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,298.16 : 586,789.68 = 253,072.20 : x
  2. Step 2: Convert to fraction form
    425,298.16/586,789.68 = 253,072.20/x
  3. Step 3: Cross multiply
    425,298.16x = 586,789.68 × 253,072.20
  4. Step 4: Simplify right side
    425,298.16x = 148,500,155,254.90
  5. Step 5: Solve for x
    x = 148,500,155,254.90/425,298.16
  6. Step 6: Final answer
    x = 349,167.17

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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.