Home / 263,291.89-363,342.02-142,433.15

Finding the Fourth Proportional to 263,291.89, 363,342.02 and 142,433.15

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Solution

The fourth proportional to 263,291.89, 363,342.02 and 142,433.15 is: 196,557.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,291.89 : 363,342.02 = 142,433.15 : x
  2. Step 2: Convert to fraction form
    263,291.89/363,342.02 = 142,433.15/x
  3. Step 3: Cross multiply
    263,291.89x = 363,342.02 × 142,433.15
  4. Step 4: Simplify right side
    263,291.89x = 51,751,947,048.91
  5. Step 5: Solve for x
    x = 51,751,947,048.91/263,291.89
  6. Step 6: Final answer
    x = 196,557.31

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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.