Home / 485,095.80-727,752.78-148,108.26

Finding the Fourth Proportional to 485,095.80, 727,752.78 and 148,108.26

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Solution

The fourth proportional to 485,095.80, 727,752.78 and 148,108.26 is: 222,195.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,095.80 : 727,752.78 = 148,108.26 : x
  2. Step 2: Convert to fraction form
    485,095.80/727,752.78 = 148,108.26/x
  3. Step 3: Cross multiply
    485,095.80x = 727,752.78 × 148,108.26
  4. Step 4: Simplify right side
    485,095.80x = 107,786,197,955.96
  5. Step 5: Solve for x
    x = 107,786,197,955.96/485,095.80
  6. Step 6: Final answer
    x = 222,195.69

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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.