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Finding the Fourth Proportional to 154,608.90, 231,475.95 and 154,608.90

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Solution

The fourth proportional to 154,608.90, 231,475.95 and 154,608.90 is: 231,475.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,608.90 : 231,475.95 = 154,608.90 : x
  2. Step 2: Convert to fraction form
    154,608.90/231,475.95 = 154,608.90/x
  3. Step 3: Cross multiply
    154,608.90x = 231,475.95 × 154,608.90
  4. Step 4: Simplify right side
    154,608.90x = 35,788,242,005.96
  5. Step 5: Solve for x
    x = 35,788,242,005.96/154,608.90
  6. Step 6: Final answer
    x = 231,475.95

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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.