Home / 264,899.52-397,340.37-115,139.70

Finding the Fourth Proportional to 264,899.52, 397,340.37 and 115,139.70

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Solution

The fourth proportional to 264,899.52, 397,340.37 and 115,139.70 is: 172,705.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,899.52 : 397,340.37 = 115,139.70 : x
  2. Step 2: Convert to fraction form
    264,899.52/397,340.37 = 115,139.70/x
  3. Step 3: Cross multiply
    264,899.52x = 397,340.37 × 115,139.70
  4. Step 4: Simplify right side
    264,899.52x = 45,749,650,999.69
  5. Step 5: Solve for x
    x = 45,749,650,999.69/264,899.52
  6. Step 6: Final answer
    x = 172,705.68

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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.