Home / 220,462.05-304,240.86-123,687.30

Finding the Fourth Proportional to 220,462.05, 304,240.86 and 123,687.30

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Solution

The fourth proportional to 220,462.05, 304,240.86 and 123,687.30 is: 170,690.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,462.05 : 304,240.86 = 123,687.30 : x
  2. Step 2: Convert to fraction form
    220,462.05/304,240.86 = 123,687.30/x
  3. Step 3: Cross multiply
    220,462.05x = 304,240.86 × 123,687.30
  4. Step 4: Simplify right side
    220,462.05x = 37,630,730,523.08
  5. Step 5: Solve for x
    x = 37,630,730,523.08/220,462.05
  6. Step 6: Final answer
    x = 170,690.29

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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.