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Finding the Fourth Proportional to 361,796.48, 542,694.76 and 125,010

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Solution

The fourth proportional to 361,796.48, 542,694.76 and 125,010 is: 187,515.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,796.48 : 542,694.76 = 125,010 : x
  2. Step 2: Convert to fraction form
    361,796.48/542,694.76 = 125,010/x
  3. Step 3: Cross multiply
    361,796.48x = 542,694.76 × 125,010
  4. Step 4: Simplify right side
    361,796.48x = 67,842,271,947.60
  5. Step 5: Solve for x
    x = 67,842,271,947.60/361,796.48
  6. Step 6: Final answer
    x = 187,515.01

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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.