Home / 242,436.28-334,540.62-140,429.12

Finding the Fourth Proportional to 242,436.28, 334,540.62 and 140,429.12

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Solution

The fourth proportional to 242,436.28, 334,540.62 and 140,429.12 is: 193,779.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,436.28 : 334,540.62 = 140,429.12 : x
  2. Step 2: Convert to fraction form
    242,436.28/334,540.62 = 140,429.12/x
  3. Step 3: Cross multiply
    242,436.28x = 334,540.62 × 140,429.12
  4. Step 4: Simplify right side
    242,436.28x = 46,979,244,870.85
  5. Step 5: Solve for x
    x = 46,979,244,870.85/242,436.28
  6. Step 6: Final answer
    x = 193,779.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.