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Finding the Fourth Proportional to 220,040.40, 303,655.86 and 124,545.18

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Solution

The fourth proportional to 220,040.40, 303,655.86 and 124,545.18 is: 171,872.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,040.40 : 303,655.86 = 124,545.18 : x
  2. Step 2: Convert to fraction form
    220,040.40/303,655.86 = 124,545.18/x
  3. Step 3: Cross multiply
    220,040.40x = 303,655.86 × 124,545.18
  4. Step 4: Simplify right side
    220,040.40x = 37,818,873,741.75
  5. Step 5: Solve for x
    x = 37,818,873,741.75/220,040.40
  6. Step 6: Final answer
    x = 171,872.41

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.