Home / 229,922.19-317,380.89-172,727.42

Finding the Fourth Proportional to 229,922.19, 317,380.89 and 172,727.42

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Solution

The fourth proportional to 229,922.19, 317,380.89 and 172,727.42 is: 238,430.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,922.19 : 317,380.89 = 172,727.42 : x
  2. Step 2: Convert to fraction form
    229,922.19/317,380.89 = 172,727.42/x
  3. Step 3: Cross multiply
    229,922.19x = 317,380.89 × 172,727.42
  4. Step 4: Simplify right side
    229,922.19x = 54,820,380,700.10
  5. Step 5: Solve for x
    x = 54,820,380,700.10/229,922.19
  6. Step 6: Final answer
    x = 238,430.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.