Home / 475,198.08-712,730.16-120,190.20

Finding the Fourth Proportional to 475,198.08, 712,730.16 and 120,190.20

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Solution

The fourth proportional to 475,198.08, 712,730.16 and 120,190.20 is: 180,268.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,198.08 : 712,730.16 = 120,190.20 : x
  2. Step 2: Convert to fraction form
    475,198.08/712,730.16 = 120,190.20/x
  3. Step 3: Cross multiply
    475,198.08x = 712,730.16 × 120,190.20
  4. Step 4: Simplify right side
    475,198.08x = 85,663,180,476.43
  5. Step 5: Solve for x
    x = 85,663,180,476.43/475,198.08
  6. Step 6: Final answer
    x = 180,268.36

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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.