Home / 257,577.92-355,464.96-144,402.56

Finding the Fourth Proportional to 257,577.92, 355,464.96 and 144,402.56

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Solution

The fourth proportional to 257,577.92, 355,464.96 and 144,402.56 is: 199,279.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,577.92 : 355,464.96 = 144,402.56 : x
  2. Step 2: Convert to fraction form
    257,577.92/355,464.96 = 144,402.56/x
  3. Step 3: Cross multiply
    257,577.92x = 355,464.96 × 144,402.56
  4. Step 4: Simplify right side
    257,577.92x = 51,330,050,214.30
  5. Step 5: Solve for x
    x = 51,330,050,214.30/257,577.92
  6. Step 6: Final answer
    x = 199,279.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.