Home / 418,320.18-577,281.60-227,333.59

Finding the Fourth Proportional to 418,320.18, 577,281.60 and 227,333.59

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Solution

The fourth proportional to 418,320.18, 577,281.60 and 227,333.59 is: 313,720.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,320.18 : 577,281.60 = 227,333.59 : x
  2. Step 2: Convert to fraction form
    418,320.18/577,281.60 = 227,333.59/x
  3. Step 3: Cross multiply
    418,320.18x = 577,281.60 × 227,333.59
  4. Step 4: Simplify right side
    418,320.18x = 131,235,497,125.74
  5. Step 5: Solve for x
    x = 131,235,497,125.74/418,320.18
  6. Step 6: Final answer
    x = 313,720.22

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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.