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Finding the Fourth Proportional to 251,085.52, 346,494.76 and 137,901

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Solution

The fourth proportional to 251,085.52, 346,494.76 and 137,901 is: 190,301.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,085.52 : 346,494.76 = 137,901 : x
  2. Step 2: Convert to fraction form
    251,085.52/346,494.76 = 137,901/x
  3. Step 3: Cross multiply
    251,085.52x = 346,494.76 × 137,901
  4. Step 4: Simplify right side
    251,085.52x = 47,781,973,898.76
  5. Step 5: Solve for x
    x = 47,781,973,898.76/251,085.52
  6. Step 6: Final answer
    x = 190,301.59

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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.