Home / 220,512.96-304,307.55-134,471.79

Finding the Fourth Proportional to 220,512.96, 304,307.55 and 134,471.79

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Solution

The fourth proportional to 220,512.96, 304,307.55 and 134,471.79 is: 185,570.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,512.96 : 304,307.55 = 134,471.79 : x
  2. Step 2: Convert to fraction form
    220,512.96/304,307.55 = 134,471.79/x
  3. Step 3: Cross multiply
    220,512.96x = 304,307.55 × 134,471.79
  4. Step 4: Simplify right side
    220,512.96x = 40,920,780,959.01
  5. Step 5: Solve for x
    x = 40,920,780,959.01/220,512.96
  6. Step 6: Final answer
    x = 185,570.87

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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.