Home / 268,190.89-402,280.10-135,035.39

Finding the Fourth Proportional to 268,190.89, 402,280.10 and 135,035.39

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Solution

The fourth proportional to 268,190.89, 402,280.10 and 135,035.39 is: 202,549.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,190.89 : 402,280.10 = 135,035.39 : x
  2. Step 2: Convert to fraction form
    268,190.89/402,280.10 = 135,035.39/x
  3. Step 3: Cross multiply
    268,190.89x = 402,280.10 × 135,035.39
  4. Step 4: Simplify right side
    268,190.89x = 54,322,050,192.74
  5. Step 5: Solve for x
    x = 54,322,050,192.74/268,190.89
  6. Step 6: Final answer
    x = 202,549.95

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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.