Home / 411,496.48-617,294.04-145,201.96

Finding the Fourth Proportional to 411,496.48, 617,294.04 and 145,201.96

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Solution

The fourth proportional to 411,496.48, 617,294.04 and 145,201.96 is: 217,820.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,496.48 : 617,294.04 = 145,201.96 : x
  2. Step 2: Convert to fraction form
    411,496.48/617,294.04 = 145,201.96/x
  3. Step 3: Cross multiply
    411,496.48x = 617,294.04 × 145,201.96
  4. Step 4: Simplify right side
    411,496.48x = 89,632,304,504.32
  5. Step 5: Solve for x
    x = 89,632,304,504.32/411,496.48
  6. Step 6: Final answer
    x = 217,820.34

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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.