Home / 393,275.44-542,766.18-223,535.08

Finding the Fourth Proportional to 393,275.44, 542,766.18 and 223,535.08

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Solution

The fourth proportional to 393,275.44, 542,766.18 and 223,535.08 is: 308,504.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,275.44 : 542,766.18 = 223,535.08 : x
  2. Step 2: Convert to fraction form
    393,275.44/542,766.18 = 223,535.08/x
  3. Step 3: Cross multiply
    393,275.44x = 542,766.18 × 223,535.08
  4. Step 4: Simplify right side
    393,275.44x = 121,327,281,467.59
  5. Step 5: Solve for x
    x = 121,327,281,467.59/393,275.44
  6. Step 6: Final answer
    x = 308,504.60

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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.