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Finding the Fourth Proportional to 220,149.66, 303,807.72 and 124,674.96

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Solution

The fourth proportional to 220,149.66, 303,807.72 and 124,674.96 is: 172,052.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,149.66 : 303,807.72 = 124,674.96 : x
  2. Step 2: Convert to fraction form
    220,149.66/303,807.72 = 124,674.96/x
  3. Step 3: Cross multiply
    220,149.66x = 303,807.72 × 124,674.96
  4. Step 4: Simplify right side
    220,149.66x = 37,877,215,338.69
  5. Step 5: Solve for x
    x = 37,877,215,338.69/220,149.66
  6. Step 6: Final answer
    x = 172,052.12

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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.