Home / 347,911.20-521,924.40-148,327.20

Finding the Fourth Proportional to 347,911.20, 521,924.40 and 148,327.20

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Solution

The fourth proportional to 347,911.20, 521,924.40 and 148,327.20 is: 222,515.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,911.20 : 521,924.40 = 148,327.20 : x
  2. Step 2: Convert to fraction form
    347,911.20/521,924.40 = 148,327.20/x
  3. Step 3: Cross multiply
    347,911.20x = 521,924.40 × 148,327.20
  4. Step 4: Simplify right side
    347,911.20x = 77,415,584,863.68
  5. Step 5: Solve for x
    x = 77,415,584,863.68/347,911.20
  6. Step 6: Final answer
    x = 222,515.36

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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.