Home / 418,125.70-576,984.18-231,855.49

Finding the Fourth Proportional to 418,125.70, 576,984.18 and 231,855.49

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Solution

The fourth proportional to 418,125.70, 576,984.18 and 231,855.49 is: 319,944.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,125.70 : 576,984.18 = 231,855.49 : x
  2. Step 2: Convert to fraction form
    418,125.70/576,984.18 = 231,855.49/x
  3. Step 3: Cross multiply
    418,125.70x = 576,984.18 × 231,855.49
  4. Step 4: Simplify right side
    418,125.70x = 133,776,949,776.15
  5. Step 5: Solve for x
    x = 133,776,949,776.15/418,125.70
  6. Step 6: Final answer
    x = 319,944.34

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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.