Home / 259,461.24-389,191.86-119,337.72

Finding the Fourth Proportional to 259,461.24, 389,191.86 and 119,337.72

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Solution

The fourth proportional to 259,461.24, 389,191.86 and 119,337.72 is: 179,006.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,461.24 : 389,191.86 = 119,337.72 : x
  2. Step 2: Convert to fraction form
    259,461.24/389,191.86 = 119,337.72/x
  3. Step 3: Cross multiply
    259,461.24x = 389,191.86 × 119,337.72
  4. Step 4: Simplify right side
    259,461.24x = 46,445,269,214.96
  5. Step 5: Solve for x
    x = 46,445,269,214.96/259,461.24
  6. Step 6: Final answer
    x = 179,006.58

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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.