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Finding the Fourth Proportional to 254,877, 351,211.56 and 197,165.76

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Solution

The fourth proportional to 254,877, 351,211.56 and 197,165.76 is: 271,687.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,877 : 351,211.56 = 197,165.76 : x
  2. Step 2: Convert to fraction form
    254,877/351,211.56 = 197,165.76/x
  3. Step 3: Cross multiply
    254,877x = 351,211.56 × 197,165.76
  4. Step 4: Simplify right side
    254,877x = 69,246,894,148.19
  5. Step 5: Solve for x
    x = 69,246,894,148.19/254,877
  6. Step 6: Final answer
    x = 271,687.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.