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Finding the Fourth Proportional to 354,352, 531,481.84 and 101,622.28

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Solution

The fourth proportional to 354,352, 531,481.84 and 101,622.28 is: 152,420.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,352 : 531,481.84 = 101,622.28 : x
  2. Step 2: Convert to fraction form
    354,352/531,481.84 = 101,622.28/x
  3. Step 3: Cross multiply
    354,352x = 531,481.84 × 101,622.28
  4. Step 4: Simplify right side
    354,352x = 54,010,396,359.40
  5. Step 5: Solve for x
    x = 54,010,396,359.40/354,352
  6. Step 6: Final answer
    x = 152,420.18

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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.