Home / 218,877.92-302,056.14-123,384.61

Finding the Fourth Proportional to 218,877.92, 302,056.14 and 123,384.61

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Solution

The fourth proportional to 218,877.92, 302,056.14 and 123,384.61 is: 170,273.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,877.92 : 302,056.14 = 123,384.61 : x
  2. Step 2: Convert to fraction form
    218,877.92/302,056.14 = 123,384.61/x
  3. Step 3: Cross multiply
    218,877.92x = 302,056.14 × 123,384.61
  4. Step 4: Simplify right side
    218,877.92x = 37,269,079,032.01
  5. Step 5: Solve for x
    x = 37,269,079,032.01/218,877.92
  6. Step 6: Final answer
    x = 170,273.36

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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.