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Finding the Fourth Proportional to 485,058.40, 727,414.80 and 169,525.60

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Solution

The fourth proportional to 485,058.40, 727,414.80 and 169,525.60 is: 254,228.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,058.40 : 727,414.80 = 169,525.60 : x
  2. Step 2: Convert to fraction form
    485,058.40/727,414.80 = 169,525.60/x
  3. Step 3: Cross multiply
    485,058.40x = 727,414.80 × 169,525.60
  4. Step 4: Simplify right side
    485,058.40x = 123,315,430,418.88
  5. Step 5: Solve for x
    x = 123,315,430,418.88/485,058.40
  6. Step 6: Final answer
    x = 254,228.01

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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.