Home / 347,964.80-521,947.20-98,648.96

Finding the Fourth Proportional to 347,964.80, 521,947.20 and 98,648.96

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Solution

The fourth proportional to 347,964.80, 521,947.20 and 98,648.96 is: 147,973.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,964.80 : 521,947.20 = 98,648.96 : x
  2. Step 2: Convert to fraction form
    347,964.80/521,947.20 = 98,648.96/x
  3. Step 3: Cross multiply
    347,964.80x = 521,947.20 × 98,648.96
  4. Step 4: Simplify right side
    347,964.80x = 51,489,548,454.91
  5. Step 5: Solve for x
    x = 51,489,548,454.91/347,964.80
  6. Step 6: Final answer
    x = 147,973.44

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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.