Home / 321,525.06-443,702.79-178,306.26

Finding the Fourth Proportional to 321,525.06, 443,702.79 and 178,306.26

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Solution

The fourth proportional to 321,525.06, 443,702.79 and 178,306.26 is: 246,061.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,525.06 : 443,702.79 = 178,306.26 : x
  2. Step 2: Convert to fraction form
    321,525.06/443,702.79 = 178,306.26/x
  3. Step 3: Cross multiply
    321,525.06x = 443,702.79 × 178,306.26
  4. Step 4: Simplify right side
    321,525.06x = 79,114,985,036.47
  5. Step 5: Solve for x
    x = 79,114,985,036.47/321,525.06
  6. Step 6: Final answer
    x = 246,061.64

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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.