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Finding the Fourth Proportional to 250,896.50, 346,237.50 and 136,175.11

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Solution

The fourth proportional to 250,896.50, 346,237.50 and 136,175.11 is: 187,921.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,896.50 : 346,237.50 = 136,175.11 : x
  2. Step 2: Convert to fraction form
    250,896.50/346,237.50 = 136,175.11/x
  3. Step 3: Cross multiply
    250,896.50x = 346,237.50 × 136,175.11
  4. Step 4: Simplify right side
    250,896.50x = 47,148,928,144.71
  5. Step 5: Solve for x
    x = 47,148,928,144.71/250,896.50
  6. Step 6: Final answer
    x = 187,921.82

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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.