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Finding the Fourth Proportional to 220,316.46, 304,035.62 and 124,822.92

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Solution

The fourth proportional to 220,316.46, 304,035.62 and 124,822.92 is: 172,255.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,316.46 : 304,035.62 = 124,822.92 : x
  2. Step 2: Convert to fraction form
    220,316.46/304,035.62 = 124,822.92/x
  3. Step 3: Cross multiply
    220,316.46x = 304,035.62 × 124,822.92
  4. Step 4: Simplify right side
    220,316.46x = 37,950,613,872.41
  5. Step 5: Solve for x
    x = 37,950,613,872.41/220,316.46
  6. Step 6: Final answer
    x = 172,255.01

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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.