Home / 263,291.91-363,341.76-142,432.92

Finding the Fourth Proportional to 263,291.91, 363,341.76 and 142,432.92

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Solution

The fourth proportional to 263,291.91, 363,341.76 and 142,432.92 is: 196,556.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,291.91 : 363,341.76 = 142,432.92 : x
  2. Step 2: Convert to fraction form
    263,291.91/363,341.76 = 142,432.92/x
  3. Step 3: Cross multiply
    263,291.91x = 363,341.76 × 142,432.92
  4. Step 4: Simplify right side
    263,291.91x = 51,751,827,834.74
  5. Step 5: Solve for x
    x = 51,751,827,834.74/263,291.91
  6. Step 6: Final answer
    x = 196,556.85

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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.