Home / 345,200.98-517,885.02-117,494.30

Finding the Fourth Proportional to 345,200.98, 517,885.02 and 117,494.30

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Solution

The fourth proportional to 345,200.98, 517,885.02 and 117,494.30 is: 176,269.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,200.98 : 517,885.02 = 117,494.30 : x
  2. Step 2: Convert to fraction form
    345,200.98/517,885.02 = 117,494.30/x
  3. Step 3: Cross multiply
    345,200.98x = 517,885.02 × 117,494.30
  4. Step 4: Simplify right side
    345,200.98x = 60,848,535,956.54
  5. Step 5: Solve for x
    x = 60,848,535,956.54/345,200.98
  6. Step 6: Final answer
    x = 176,269.88

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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.