Home / 263,483.28-363,816.52-243,332.78

Finding the Fourth Proportional to 263,483.28, 363,816.52 and 243,332.78

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Solution

The fourth proportional to 263,483.28, 363,816.52 and 243,332.78 is: 335,992.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,483.28 : 363,816.52 = 243,332.78 : x
  2. Step 2: Convert to fraction form
    263,483.28/363,816.52 = 243,332.78/x
  3. Step 3: Cross multiply
    263,483.28x = 363,816.52 × 243,332.78
  4. Step 4: Simplify right side
    263,483.28x = 88,528,485,221.53
  5. Step 5: Solve for x
    x = 88,528,485,221.53/263,483.28
  6. Step 6: Final answer
    x = 335,992.80

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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.