Home / 380,729.57-571,095.63-96,419.97

Finding the Fourth Proportional to 380,729.57, 571,095.63 and 96,419.97

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Solution

The fourth proportional to 380,729.57, 571,095.63 and 96,419.97 is: 144,630.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,729.57 : 571,095.63 = 96,419.97 : x
  2. Step 2: Convert to fraction form
    380,729.57/571,095.63 = 96,419.97/x
  3. Step 3: Cross multiply
    380,729.57x = 571,095.63 × 96,419.97
  4. Step 4: Simplify right side
    380,729.57x = 55,065,023,511.73
  5. Step 5: Solve for x
    x = 55,065,023,511.73/380,729.57
  6. Step 6: Final answer
    x = 144,630.28

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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.