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Finding the Fourth Proportional to 117,241.83, 175,862.28 and 28,495.59

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Solution

The fourth proportional to 117,241.83, 175,862.28 and 28,495.59 is: 42,743.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,241.83 : 175,862.28 = 28,495.59 : x
  2. Step 2: Convert to fraction form
    117,241.83/175,862.28 = 28,495.59/x
  3. Step 3: Cross multiply
    117,241.83x = 175,862.28 × 28,495.59
  4. Step 4: Simplify right side
    117,241.83x = 5,011,299,427.35
  5. Step 5: Solve for x
    x = 5,011,299,427.35/117,241.83
  6. Step 6: Final answer
    x = 42,743.27

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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.