Home / 229,146.12-343,674.72-115,263.60

Finding the Fourth Proportional to 229,146.12, 343,674.72 and 115,263.60

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Solution

The fourth proportional to 229,146.12, 343,674.72 and 115,263.60 is: 172,873.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,146.12 : 343,674.72 = 115,263.60 : x
  2. Step 2: Convert to fraction form
    229,146.12/343,674.72 = 115,263.60/x
  3. Step 3: Cross multiply
    229,146.12x = 343,674.72 × 115,263.60
  4. Step 4: Simplify right side
    229,146.12x = 39,613,185,456.19
  5. Step 5: Solve for x
    x = 39,613,185,456.19/229,146.12
  6. Step 6: Final answer
    x = 172,873.04

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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.