Home / 321,248.21-443,340.27-178,005.20

Finding the Fourth Proportional to 321,248.21, 443,340.27 and 178,005.20

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Solution

The fourth proportional to 321,248.21, 443,340.27 and 178,005.20 is: 245,657.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,248.21 : 443,340.27 = 178,005.20 : x
  2. Step 2: Convert to fraction form
    321,248.21/443,340.27 = 178,005.20/x
  3. Step 3: Cross multiply
    321,248.21x = 443,340.27 × 178,005.20
  4. Step 4: Simplify right side
    321,248.21x = 78,916,871,212.70
  5. Step 5: Solve for x
    x = 78,916,871,212.70/321,248.21
  6. Step 6: Final answer
    x = 245,657.00

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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.