Home / 319,027.43-478,375.59-94,358.34

Finding the Fourth Proportional to 319,027.43, 478,375.59 and 94,358.34

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Solution

The fourth proportional to 319,027.43, 478,375.59 and 94,358.34 is: 141,488.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,027.43 : 478,375.59 = 94,358.34 : x
  2. Step 2: Convert to fraction form
    319,027.43/478,375.59 = 94,358.34/x
  3. Step 3: Cross multiply
    319,027.43x = 478,375.59 × 94,358.34
  4. Step 4: Simplify right side
    319,027.43x = 45,138,726,568.92
  5. Step 5: Solve for x
    x = 45,138,726,568.92/319,027.43
  6. Step 6: Final answer
    x = 141,488.55

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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.