Home / 345,178.08-517,826.16-158,205.60

Finding the Fourth Proportional to 345,178.08, 517,826.16 and 158,205.60

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Solution

The fourth proportional to 345,178.08, 517,826.16 and 158,205.60 is: 237,335.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,178.08 : 517,826.16 = 158,205.60 : x
  2. Step 2: Convert to fraction form
    345,178.08/517,826.16 = 158,205.60/x
  3. Step 3: Cross multiply
    345,178.08x = 517,826.16 × 158,205.60
  4. Step 4: Simplify right side
    345,178.08x = 81,922,998,338.50
  5. Step 5: Solve for x
    x = 81,922,998,338.50/345,178.08
  6. Step 6: Final answer
    x = 237,335.46

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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.