Home / 440,445.16-660,766.19-140,943.72

Finding the Fourth Proportional to 440,445.16, 660,766.19 and 140,943.72

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Solution

The fourth proportional to 440,445.16, 660,766.19 and 140,943.72 is: 211,447.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,445.16 : 660,766.19 = 140,943.72 : x
  2. Step 2: Convert to fraction form
    440,445.16/660,766.19 = 140,943.72/x
  3. Step 3: Cross multiply
    440,445.16x = 660,766.19 × 140,943.72
  4. Step 4: Simplify right side
    440,445.16x = 93,130,844,868.83
  5. Step 5: Solve for x
    x = 93,130,844,868.83/440,445.16
  6. Step 6: Final answer
    x = 211,447.08

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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.