Home / 801,100.60-1,201,497.90-240,135.10

Finding the Fourth Proportional to 801,100.60, 1,201,497.90 and 240,135.10

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Solution

The fourth proportional to 801,100.60, 1,201,497.90 and 240,135.10 is: 360,156.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,100.60 : 1,201,497.90 = 240,135.10 : x
  2. Step 2: Convert to fraction form
    801,100.60/1,201,497.90 = 240,135.10/x
  3. Step 3: Cross multiply
    801,100.60x = 1,201,497.90 × 240,135.10
  4. Step 4: Simplify right side
    801,100.60x = 288,521,818,366.29
  5. Step 5: Solve for x
    x = 288,521,818,366.29/801,100.60
  6. Step 6: Final answer
    x = 360,156.79

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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.