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Finding the Fourth Proportional to 251,332.80, 346,841.59 and 136,611.71

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Solution

The fourth proportional to 251,332.80, 346,841.59 and 136,611.71 is: 188,525.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,332.80 : 346,841.59 = 136,611.71 : x
  2. Step 2: Convert to fraction form
    251,332.80/346,841.59 = 136,611.71/x
  3. Step 3: Cross multiply
    251,332.80x = 346,841.59 × 136,611.71
  4. Step 4: Simplify right side
    251,332.80x = 47,382,623,463.08
  5. Step 5: Solve for x
    x = 47,382,623,463.08/251,332.80
  6. Step 6: Final answer
    x = 188,525.43

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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.