Home / 393,341.55-542,614.82-248,327.04

Finding the Fourth Proportional to 393,341.55, 542,614.82 and 248,327.04

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Solution

The fourth proportional to 393,341.55, 542,614.82 and 248,327.04 is: 342,567.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,341.55 : 542,614.82 = 248,327.04 : x
  2. Step 2: Convert to fraction form
    393,341.55/542,614.82 = 248,327.04/x
  3. Step 3: Cross multiply
    393,341.55x = 542,614.82 × 248,327.04
  4. Step 4: Simplify right side
    393,341.55x = 134,745,930,869.10
  5. Step 5: Solve for x
    x = 134,745,930,869.10/393,341.55
  6. Step 6: Final answer
    x = 342,567.24

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1.5x scale

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.