Home / 440,425.94-660,531.08-140,844.45

Finding the Fourth Proportional to 440,425.94, 660,531.08 and 140,844.45

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Solution

The fourth proportional to 440,425.94, 660,531.08 and 140,844.45 is: 211,232.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,425.94 : 660,531.08 = 140,844.45 : x
  2. Step 2: Convert to fraction form
    440,425.94/660,531.08 = 140,844.45/x
  3. Step 3: Cross multiply
    440,425.94x = 660,531.08 × 140,844.45
  4. Step 4: Simplify right side
    440,425.94x = 93,032,135,966.28
  5. Step 5: Solve for x
    x = 93,032,135,966.28/440,425.94
  6. Step 6: Final answer
    x = 211,232.19

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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.