Home / 418,320.56-577,285.98-227,333.90

Finding the Fourth Proportional to 418,320.56, 577,285.98 and 227,333.90

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Solution

The fourth proportional to 418,320.56, 577,285.98 and 227,333.90 is: 313,722.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,320.56 : 577,285.98 = 227,333.90 : x
  2. Step 2: Convert to fraction form
    418,320.56/577,285.98 = 227,333.90/x
  3. Step 3: Cross multiply
    418,320.56x = 577,285.98 × 227,333.90
  4. Step 4: Simplify right side
    418,320.56x = 131,236,673,248.72
  5. Step 5: Solve for x
    x = 131,236,673,248.72/418,320.56
  6. Step 6: Final answer
    x = 313,722.74

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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.