Home / 347,627.20-521,498.40-148,043.20

Finding the Fourth Proportional to 347,627.20, 521,498.40 and 148,043.20

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Solution

The fourth proportional to 347,627.20, 521,498.40 and 148,043.20 is: 222,089.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,627.20 : 521,498.40 = 148,043.20 : x
  2. Step 2: Convert to fraction form
    347,627.20/521,498.40 = 148,043.20/x
  3. Step 3: Cross multiply
    347,627.20x = 521,498.40 × 148,043.20
  4. Step 4: Simplify right side
    347,627.20x = 77,204,291,930.88
  5. Step 5: Solve for x
    x = 77,204,291,930.88/347,627.20
  6. Step 6: Final answer
    x = 222,089.33

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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.