Home / 440,529.47-660,470.99-140,837.57

Finding the Fourth Proportional to 440,529.47, 660,470.99 and 140,837.57

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Solution

The fourth proportional to 440,529.47, 660,470.99 and 140,837.57 is: 211,153.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,529.47 : 660,470.99 = 140,837.57 : x
  2. Step 2: Convert to fraction form
    440,529.47/660,470.99 = 140,837.57/x
  3. Step 3: Cross multiply
    440,529.47x = 660,470.99 × 140,837.57
  4. Step 4: Simplify right side
    440,529.47x = 93,019,125,280.55
  5. Step 5: Solve for x
    x = 93,019,125,280.55/440,529.47
  6. Step 6: Final answer
    x = 211,153.02

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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.