Home / 321,541.13-443,744.48-178,298.10

Finding the Fourth Proportional to 321,541.13, 443,744.48 and 178,298.10

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Solution

The fourth proportional to 321,541.13, 443,744.48 and 178,298.10 is: 246,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,541.13 : 443,744.48 = 178,298.10 : x
  2. Step 2: Convert to fraction form
    321,541.13/443,744.48 = 178,298.10/x
  3. Step 3: Cross multiply
    321,541.13x = 443,744.48 × 178,298.10
  4. Step 4: Simplify right side
    321,541.13x = 79,118,798,115.23
  5. Step 5: Solve for x
    x = 79,118,798,115.23/321,541.13
  6. Step 6: Final answer
    x = 246,061.20

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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.