Home / 238,120.08-356,931.72-80,294.28

Finding the Fourth Proportional to 238,120.08, 356,931.72 and 80,294.28

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Solution

The fourth proportional to 238,120.08, 356,931.72 and 80,294.28 is: 120,357.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,120.08 : 356,931.72 = 80,294.28 : x
  2. Step 2: Convert to fraction form
    238,120.08/356,931.72 = 80,294.28/x
  3. Step 3: Cross multiply
    238,120.08x = 356,931.72 × 80,294.28
  4. Step 4: Simplify right side
    238,120.08x = 28,659,575,466.56
  5. Step 5: Solve for x
    x = 28,659,575,466.56/238,120.08
  6. Step 6: Final answer
    x = 120,357.66

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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.