Home / 347,845.20-521,962.20-148,131.60

Finding the Fourth Proportional to 347,845.20, 521,962.20 and 148,131.60

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Solution

The fourth proportional to 347,845.20, 521,962.20 and 148,131.60 is: 222,280.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,845.20 : 521,962.20 = 148,131.60 : x
  2. Step 2: Convert to fraction form
    347,845.20/521,962.20 = 148,131.60/x
  3. Step 3: Cross multiply
    347,845.20x = 521,962.20 × 148,131.60
  4. Step 4: Simplify right side
    347,845.20x = 77,319,095,825.52
  5. Step 5: Solve for x
    x = 77,319,095,825.52/347,845.20
  6. Step 6: Final answer
    x = 222,280.19

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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.