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Finding the Fourth Proportional to 173,008.90, 257,793.53 and 154,144

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Solution

The fourth proportional to 173,008.90, 257,793.53 and 154,144 is: 229,683.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,008.90 : 257,793.53 = 154,144 : x
  2. Step 2: Convert to fraction form
    173,008.90/257,793.53 = 154,144/x
  3. Step 3: Cross multiply
    173,008.90x = 257,793.53 × 154,144
  4. Step 4: Simplify right side
    173,008.90x = 39,737,325,888.32
  5. Step 5: Solve for x
    x = 39,737,325,888.32/173,008.90
  6. Step 6: Final answer
    x = 229,683.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.