Home / 217,712.47-326,565.30-153,404.74

Finding the Fourth Proportional to 217,712.47, 326,565.30 and 153,404.74

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Solution

The fourth proportional to 217,712.47, 326,565.30 and 153,404.74 is: 230,104.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,712.47 : 326,565.30 = 153,404.74 : x
  2. Step 2: Convert to fraction form
    217,712.47/326,565.30 = 153,404.74/x
  3. Step 3: Cross multiply
    217,712.47x = 326,565.30 × 153,404.74
  4. Step 4: Simplify right side
    217,712.47x = 50,096,664,939.52
  5. Step 5: Solve for x
    x = 50,096,664,939.52/217,712.47
  6. Step 6: Final answer
    x = 230,104.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.