Home / 357,727.31-493,458.12-223,358.03

Finding the Fourth Proportional to 357,727.31, 493,458.12 and 223,358.03

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Solution

The fourth proportional to 357,727.31, 493,458.12 and 223,358.03 is: 308,105.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,727.31 : 493,458.12 = 223,358.03 : x
  2. Step 2: Convert to fraction form
    357,727.31/493,458.12 = 223,358.03/x
  3. Step 3: Cross multiply
    357,727.31x = 493,458.12 × 223,358.03
  4. Step 4: Simplify right side
    357,727.31x = 110,217,833,570.70
  5. Step 5: Solve for x
    x = 110,217,833,570.70/357,727.31
  6. Step 6: Final answer
    x = 308,105.73

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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.