Home / 257,077.23-385,694.61-115,042.06

Finding the Fourth Proportional to 257,077.23, 385,694.61 and 115,042.06

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Solution

The fourth proportional to 257,077.23, 385,694.61 and 115,042.06 is: 172,598.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,077.23 : 385,694.61 = 115,042.06 : x
  2. Step 2: Convert to fraction form
    257,077.23/385,694.61 = 115,042.06/x
  3. Step 3: Cross multiply
    257,077.23x = 385,694.61 × 115,042.06
  4. Step 4: Simplify right side
    257,077.23x = 44,371,102,465.30
  5. Step 5: Solve for x
    x = 44,371,102,465.30/257,077.23
  6. Step 6: Final answer
    x = 172,598.34

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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.