Home / 328,531.10-492,796.65-223,555.10

Finding the Fourth Proportional to 328,531.10, 492,796.65 and 223,555.10

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Solution

The fourth proportional to 328,531.10, 492,796.65 and 223,555.10 is: 335,332.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,531.10 : 492,796.65 = 223,555.10 : x
  2. Step 2: Convert to fraction form
    328,531.10/492,796.65 = 223,555.10/x
  3. Step 3: Cross multiply
    328,531.10x = 492,796.65 × 223,555.10
  4. Step 4: Simplify right side
    328,531.10x = 110,167,204,370.42
  5. Step 5: Solve for x
    x = 110,167,204,370.42/328,531.10
  6. Step 6: Final answer
    x = 335,332.65

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Similar ratio
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1.5x scale

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.