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Finding the Fourth Proportional to 154,272, 231,319.44 and 60,726.72

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Solution

The fourth proportional to 154,272, 231,319.44 and 60,726.72 is: 91,055.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,272 : 231,319.44 = 60,726.72 : x
  2. Step 2: Convert to fraction form
    154,272/231,319.44 = 60,726.72/x
  3. Step 3: Cross multiply
    154,272x = 231,319.44 × 60,726.72
  4. Step 4: Simplify right side
    154,272x = 14,047,270,863.44
  5. Step 5: Solve for x
    x = 14,047,270,863.44/154,272
  6. Step 6: Final answer
    x = 91,055.22

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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.