Home / 345,013.02-517,544.64-108,353.70

Finding the Fourth Proportional to 345,013.02, 517,544.64 and 108,353.70

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Solution

The fourth proportional to 345,013.02, 517,544.64 and 108,353.70 is: 162,538.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,013.02 : 517,544.64 = 108,353.70 : x
  2. Step 2: Convert to fraction form
    345,013.02/517,544.64 = 108,353.70/x
  3. Step 3: Cross multiply
    345,013.02x = 517,544.64 × 108,353.70
  4. Step 4: Simplify right side
    345,013.02x = 56,077,876,659.17
  5. Step 5: Solve for x
    x = 56,077,876,659.17/345,013.02
  6. Step 6: Final answer
    x = 162,538.44

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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.