Home / 263,417.27-363,515.85-142,559.43

Finding the Fourth Proportional to 263,417.27, 363,515.85 and 142,559.43

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Solution

The fourth proportional to 263,417.27, 363,515.85 and 142,559.43 is: 196,732.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,417.27 : 363,515.85 = 142,559.43 : x
  2. Step 2: Convert to fraction form
    263,417.27/363,515.85 = 142,559.43/x
  3. Step 3: Cross multiply
    263,417.27x = 363,515.85 × 142,559.43
  4. Step 4: Simplify right side
    263,417.27x = 51,822,611,008.78
  5. Step 5: Solve for x
    x = 51,822,611,008.78/263,417.27
  6. Step 6: Final answer
    x = 196,732.02

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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.