Home / 638,437.08-957,577.68-165,082.80

Finding the Fourth Proportional to 638,437.08, 957,577.68 and 165,082.80

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Solution

The fourth proportional to 638,437.08, 957,577.68 and 165,082.80 is: 247,604.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,437.08 : 957,577.68 = 165,082.80 : x
  2. Step 2: Convert to fraction form
    638,437.08/957,577.68 = 165,082.80/x
  3. Step 3: Cross multiply
    638,437.08x = 957,577.68 × 165,082.80
  4. Step 4: Simplify right side
    638,437.08x = 158,079,604,631.90
  5. Step 5: Solve for x
    x = 158,079,604,631.90/638,437.08
  6. Step 6: Final answer
    x = 247,604.05

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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.