Home / 485,070.80-727,606.20-148,110.80

Finding the Fourth Proportional to 485,070.80, 727,606.20 and 148,110.80

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Solution

The fourth proportional to 485,070.80, 727,606.20 and 148,110.80 is: 222,166.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,070.80 : 727,606.20 = 148,110.80 : x
  2. Step 2: Convert to fraction form
    485,070.80/727,606.20 = 148,110.80/x
  3. Step 3: Cross multiply
    485,070.80x = 727,606.20 × 148,110.80
  4. Step 4: Simplify right side
    485,070.80x = 107,766,336,366.96
  5. Step 5: Solve for x
    x = 107,766,336,366.96/485,070.80
  6. Step 6: Final answer
    x = 222,166.20

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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.