Home / 319,534.60-479,301.90-94,929.70

Finding the Fourth Proportional to 319,534.60, 479,301.90 and 94,929.70

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Solution

The fourth proportional to 319,534.60, 479,301.90 and 94,929.70 is: 142,394.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,534.60 : 479,301.90 = 94,929.70 : x
  2. Step 2: Convert to fraction form
    319,534.60/479,301.90 = 94,929.70/x
  3. Step 3: Cross multiply
    319,534.60x = 479,301.90 × 94,929.70
  4. Step 4: Simplify right side
    319,534.60x = 45,499,985,576.43
  5. Step 5: Solve for x
    x = 45,499,985,576.43/319,534.60
  6. Step 6: Final answer
    x = 142,394.55

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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.