Home / 257,854.24-386,780.82-145,483.48

Finding the Fourth Proportional to 257,854.24, 386,780.82 and 145,483.48

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Solution

The fourth proportional to 257,854.24, 386,780.82 and 145,483.48 is: 218,224.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,854.24 : 386,780.82 = 145,483.48 : x
  2. Step 2: Convert to fraction form
    257,854.24/386,780.82 = 145,483.48/x
  3. Step 3: Cross multiply
    257,854.24x = 386,780.82 × 145,483.48
  4. Step 4: Simplify right side
    257,854.24x = 56,270,219,690.85
  5. Step 5: Solve for x
    x = 56,270,219,690.85/257,854.24
  6. Step 6: Final answer
    x = 218,224.92

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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.