Home / 257,385.11-355,204.55-148,448.93

Finding the Fourth Proportional to 257,385.11, 355,204.55 and 148,448.93

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Solution

The fourth proportional to 257,385.11, 355,204.55 and 148,448.93 is: 204,867.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,385.11 : 355,204.55 = 148,448.93 : x
  2. Step 2: Convert to fraction form
    257,385.11/355,204.55 = 148,448.93/x
  3. Step 3: Cross multiply
    257,385.11x = 355,204.55 × 148,448.93
  4. Step 4: Simplify right side
    257,385.11x = 52,729,735,305.75
  5. Step 5: Solve for x
    x = 52,729,735,305.75/257,385.11
  6. Step 6: Final answer
    x = 204,867.08

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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.