Home / 440,235.90-660,321.54-140,636.04

Finding the Fourth Proportional to 440,235.90, 660,321.54 and 140,636.04

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Solution

The fourth proportional to 440,235.90, 660,321.54 and 140,636.04 is: 210,943.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,235.90 : 660,321.54 = 140,636.04 : x
  2. Step 2: Convert to fraction form
    440,235.90/660,321.54 = 140,636.04/x
  3. Step 3: Cross multiply
    440,235.90x = 660,321.54 × 140,636.04
  4. Step 4: Simplify right side
    440,235.90x = 92,865,006,512.30
  5. Step 5: Solve for x
    x = 92,865,006,512.30/440,235.90
  6. Step 6: Final answer
    x = 210,943.74

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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.