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Finding the Fourth Proportional to 251,252.75, 346,730.13 and 136,532.30

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Solution

The fourth proportional to 251,252.75, 346,730.13 and 136,532.30 is: 188,415.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,252.75 : 346,730.13 = 136,532.30 : x
  2. Step 2: Convert to fraction form
    251,252.75/346,730.13 = 136,532.30/x
  3. Step 3: Cross multiply
    251,252.75x = 346,730.13 × 136,532.30
  4. Step 4: Simplify right side
    251,252.75x = 47,339,862,128.20
  5. Step 5: Solve for x
    x = 47,339,862,128.20/251,252.75
  6. Step 6: Final answer
    x = 188,415.30

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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.