Home / 229,261.35-343,892.03-145,280.55

Finding the Fourth Proportional to 229,261.35, 343,892.03 and 145,280.55

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Solution

The fourth proportional to 229,261.35, 343,892.03 and 145,280.55 is: 217,920.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,261.35 : 343,892.03 = 145,280.55 : x
  2. Step 2: Convert to fraction form
    229,261.35/343,892.03 = 145,280.55/x
  3. Step 3: Cross multiply
    229,261.35x = 343,892.03 × 145,280.55
  4. Step 4: Simplify right side
    229,261.35x = 49,960,822,532.61
  5. Step 5: Solve for x
    x = 49,960,822,532.61/229,261.35
  6. Step 6: Final answer
    x = 217,920.83

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1.5x scale

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.