Home / 268,635.22-402,424.68-156,079.18

Finding the Fourth Proportional to 268,635.22, 402,424.68 and 156,079.18

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Solution

The fourth proportional to 268,635.22, 402,424.68 and 156,079.18 is: 233,811.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,635.22 : 402,424.68 = 156,079.18 : x
  2. Step 2: Convert to fraction form
    268,635.22/402,424.68 = 156,079.18/x
  3. Step 3: Cross multiply
    268,635.22x = 402,424.68 × 156,079.18
  4. Step 4: Simplify right side
    268,635.22x = 62,810,114,066.16
  5. Step 5: Solve for x
    x = 62,810,114,066.16/268,635.22
  6. Step 6: Final answer
    x = 233,811.91

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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.