Home / 263,247.38-363,280.02-142,388.54

Finding the Fourth Proportional to 263,247.38, 363,280.02 and 142,388.54

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Solution

The fourth proportional to 263,247.38, 363,280.02 and 142,388.54 is: 196,495.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,247.38 : 363,280.02 = 142,388.54 : x
  2. Step 2: Convert to fraction form
    263,247.38/363,280.02 = 142,388.54/x
  3. Step 3: Cross multiply
    263,247.38x = 363,280.02 × 142,388.54
  4. Step 4: Simplify right side
    263,247.38x = 51,726,911,658.97
  5. Step 5: Solve for x
    x = 51,726,911,658.97/263,247.38
  6. Step 6: Final answer
    x = 196,495.45

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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.