Home / 440,492.20-660,681.94-140,947.72

Finding the Fourth Proportional to 440,492.20, 660,681.94 and 140,947.72

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Solution

The fourth proportional to 440,492.20, 660,681.94 and 140,947.72 is: 211,403.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,492.20 : 660,681.94 = 140,947.72 : x
  2. Step 2: Convert to fraction form
    440,492.20/660,681.94 = 140,947.72/x
  3. Step 3: Cross multiply
    440,492.20x = 660,681.94 × 140,947.72
  4. Step 4: Simplify right side
    440,492.20x = 93,121,613,088.18
  5. Step 5: Solve for x
    x = 93,121,613,088.18/440,492.20
  6. Step 6: Final answer
    x = 211,403.55

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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.