Home / 223,421.64-308,635.16-203,242.92

Finding the Fourth Proportional to 223,421.64, 308,635.16 and 203,242.92

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Solution

The fourth proportional to 223,421.64, 308,635.16 and 203,242.92 is: 280,760.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,421.64 : 308,635.16 = 203,242.92 : x
  2. Step 2: Convert to fraction form
    223,421.64/308,635.16 = 203,242.92/x
  3. Step 3: Cross multiply
    223,421.64x = 308,635.16 × 203,242.92
  4. Step 4: Simplify right side
    223,421.64x = 62,727,910,116.85
  5. Step 5: Solve for x
    x = 62,727,910,116.85/223,421.64
  6. Step 6: Final answer
    x = 280,760.23

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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.