Home / 247,428.45-341,455.23-134,251.20

Finding the Fourth Proportional to 247,428.45, 341,455.23 and 134,251.20

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Solution

The fourth proportional to 247,428.45, 341,455.23 and 134,251.20 is: 185,268.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,428.45 : 341,455.23 = 134,251.20 : x
  2. Step 2: Convert to fraction form
    247,428.45/341,455.23 = 134,251.20/x
  3. Step 3: Cross multiply
    247,428.45x = 341,455.23 × 134,251.20
  4. Step 4: Simplify right side
    247,428.45x = 45,840,774,373.78
  5. Step 5: Solve for x
    x = 45,840,774,373.78/247,428.45
  6. Step 6: Final answer
    x = 185,268.81

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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.