Home / 321,527.12-443,725.16-178,284.12

Finding the Fourth Proportional to 321,527.12, 443,725.16 and 178,284.12

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Solution

The fourth proportional to 321,527.12, 443,725.16 and 178,284.12 is: 246,041.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,527.12 : 443,725.16 = 178,284.12 : x
  2. Step 2: Convert to fraction form
    321,527.12/443,725.16 = 178,284.12/x
  3. Step 3: Cross multiply
    321,527.12x = 443,725.16 × 178,284.12
  4. Step 4: Simplify right side
    321,527.12x = 79,109,149,672.46
  5. Step 5: Solve for x
    x = 79,109,149,672.46/321,527.12
  6. Step 6: Final answer
    x = 246,041.92

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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.