Home / 268,233.60-402,436.80-179,587.20

Finding the Fourth Proportional to 268,233.60, 402,436.80 and 179,587.20

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Solution

The fourth proportional to 268,233.60, 402,436.80 and 179,587.20 is: 269,438.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,233.60 : 402,436.80 = 179,587.20 : x
  2. Step 2: Convert to fraction form
    268,233.60/402,436.80 = 179,587.20/x
  3. Step 3: Cross multiply
    268,233.60x = 402,436.80 × 179,587.20
  4. Step 4: Simplify right side
    268,233.60x = 72,272,498,088.96
  5. Step 5: Solve for x
    x = 72,272,498,088.96/268,233.60
  6. Step 6: Final answer
    x = 269,438.65

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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.