Home / 418,788.27-577,925.19-227,802.42

Finding the Fourth Proportional to 418,788.27, 577,925.19 and 227,802.42

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Solution

The fourth proportional to 418,788.27, 577,925.19 and 227,802.42 is: 314,365.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,788.27 : 577,925.19 = 227,802.42 : x
  2. Step 2: Convert to fraction form
    418,788.27/577,925.19 = 227,802.42/x
  3. Step 3: Cross multiply
    418,788.27x = 577,925.19 × 227,802.42
  4. Step 4: Simplify right side
    418,788.27x = 131,652,756,860.96
  5. Step 5: Solve for x
    x = 131,652,756,860.96/418,788.27
  6. Step 6: Final answer
    x = 314,365.91

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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.