Home / 418,688.13-577,765.94-227,701.47

Finding the Fourth Proportional to 418,688.13, 577,765.94 and 227,701.47

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Solution

The fourth proportional to 418,688.13, 577,765.94 and 227,701.47 is: 314,215.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,688.13 : 577,765.94 = 227,701.47 : x
  2. Step 2: Convert to fraction form
    418,688.13/577,765.94 = 227,701.47/x
  3. Step 3: Cross multiply
    418,688.13x = 577,765.94 × 227,701.47
  4. Step 4: Simplify right side
    418,688.13x = 131,558,152,715.42
  5. Step 5: Solve for x
    x = 131,558,152,715.42/418,688.13
  6. Step 6: Final answer
    x = 314,215.15

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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.