Home / 543,055.28-814,316.44-223,149.20

Finding the Fourth Proportional to 543,055.28, 814,316.44 and 223,149.20

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Solution

The fourth proportional to 543,055.28, 814,316.44 and 223,149.20 is: 334,614.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,055.28 : 814,316.44 = 223,149.20 : x
  2. Step 2: Convert to fraction form
    543,055.28/814,316.44 = 223,149.20/x
  3. Step 3: Cross multiply
    543,055.28x = 814,316.44 × 223,149.20
  4. Step 4: Simplify right side
    543,055.28x = 181,714,062,132.85
  5. Step 5: Solve for x
    x = 181,714,062,132.85/543,055.28
  6. Step 6: Final answer
    x = 334,614.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.