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Finding the Fourth Proportional to 251,522.77, 377,243.15 and 73,988.26

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Solution

The fourth proportional to 251,522.77, 377,243.15 and 73,988.26 is: 110,970.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,522.77 : 377,243.15 = 73,988.26 : x
  2. Step 2: Convert to fraction form
    251,522.77/377,243.15 = 73,988.26/x
  3. Step 3: Cross multiply
    251,522.77x = 377,243.15 × 73,988.26
  4. Step 4: Simplify right side
    251,522.77x = 27,911,564,221.46
  5. Step 5: Solve for x
    x = 27,911,564,221.46/251,522.77
  6. Step 6: Final answer
    x = 110,970.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.