Home / 280,262.28-420,541.07-162,016.66

Finding the Fourth Proportional to 280,262.28, 420,541.07 and 162,016.66

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Solution

The fourth proportional to 280,262.28, 420,541.07 and 162,016.66 is: 243,110.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,262.28 : 420,541.07 = 162,016.66 : x
  2. Step 2: Convert to fraction form
    280,262.28/420,541.07 = 162,016.66/x
  3. Step 3: Cross multiply
    280,262.28x = 420,541.07 × 162,016.66
  4. Step 4: Simplify right side
    280,262.28x = 68,134,656,904.28
  5. Step 5: Solve for x
    x = 68,134,656,904.28/280,262.28
  6. Step 6: Final answer
    x = 243,110.34

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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.