Home / 263,253.09-363,289.30-142,394.32

Finding the Fourth Proportional to 263,253.09, 363,289.30 and 142,394.32

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Solution

The fourth proportional to 263,253.09, 363,289.30 and 142,394.32 is: 196,504.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,253.09 : 363,289.30 = 142,394.32 : x
  2. Step 2: Convert to fraction form
    263,253.09/363,289.30 = 142,394.32/x
  3. Step 3: Cross multiply
    263,253.09x = 363,289.30 × 142,394.32
  4. Step 4: Simplify right side
    263,253.09x = 51,730,333,735.87
  5. Step 5: Solve for x
    x = 51,730,333,735.87/263,253.09
  6. Step 6: Final answer
    x = 196,504.19

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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.