Home / 321,525.02-443,726.84-178,298.39

Finding the Fourth Proportional to 321,525.02, 443,726.84 and 178,298.39

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Solution

The fourth proportional to 321,525.02, 443,726.84 and 178,298.39 is: 246,064.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,525.02 : 443,726.84 = 178,298.39 : x
  2. Step 2: Convert to fraction form
    321,525.02/443,726.84 = 178,298.39/x
  3. Step 3: Cross multiply
    321,525.02x = 443,726.84 × 178,298.39
  4. Step 4: Simplify right side
    321,525.02x = 79,115,781,171.79
  5. Step 5: Solve for x
    x = 79,115,781,171.79/321,525.02
  6. Step 6: Final answer
    x = 246,064.15

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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.