Home / 218,901.40-327,351.48-159,130.66

Finding the Fourth Proportional to 218,901.40, 327,351.48 and 159,130.66

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Solution

The fourth proportional to 218,901.40, 327,351.48 and 159,130.66 is: 237,968.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,901.40 : 327,351.48 = 159,130.66 : x
  2. Step 2: Convert to fraction form
    218,901.40/327,351.48 = 159,130.66/x
  3. Step 3: Cross multiply
    218,901.40x = 327,351.48 × 159,130.66
  4. Step 4: Simplify right side
    218,901.40x = 52,091,657,064.38
  5. Step 5: Solve for x
    x = 52,091,657,064.38/218,901.40
  6. Step 6: Final answer
    x = 237,968.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.