Home / 259,021.20-357,447.96-145,844.76

Finding the Fourth Proportional to 259,021.20, 357,447.96 and 145,844.76

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Solution

The fourth proportional to 259,021.20, 357,447.96 and 145,844.76 is: 201,265.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,021.20 : 357,447.96 = 145,844.76 : x
  2. Step 2: Convert to fraction form
    259,021.20/357,447.96 = 145,844.76/x
  3. Step 3: Cross multiply
    259,021.20x = 357,447.96 × 145,844.76
  4. Step 4: Simplify right side
    259,021.20x = 52,131,911,938.69
  5. Step 5: Solve for x
    x = 52,131,911,938.69/259,021.20
  6. Step 6: Final answer
    x = 201,265.04

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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.