Home / 265,385.04-397,634.04-115,400.58

Finding the Fourth Proportional to 265,385.04, 397,634.04 and 115,400.58

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Solution

The fourth proportional to 265,385.04, 397,634.04 and 115,400.58 is: 172,908.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,385.04 : 397,634.04 = 115,400.58 : x
  2. Step 2: Convert to fraction form
    265,385.04/397,634.04 = 115,400.58/x
  3. Step 3: Cross multiply
    265,385.04x = 397,634.04 × 115,400.58
  4. Step 4: Simplify right side
    265,385.04x = 45,887,198,843.74
  5. Step 5: Solve for x
    x = 45,887,198,843.74/265,385.04
  6. Step 6: Final answer
    x = 172,908.01

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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.