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Finding the Fourth Proportional to 333,542.80, 500,407.73 and 134,003.31

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Solution

The fourth proportional to 333,542.80, 500,407.73 and 134,003.31 is: 201,042.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,542.80 : 500,407.73 = 134,003.31 : x
  2. Step 2: Convert to fraction form
    333,542.80/500,407.73 = 134,003.31/x
  3. Step 3: Cross multiply
    333,542.80x = 500,407.73 × 134,003.31
  4. Step 4: Simplify right side
    333,542.80x = 67,056,290,002.56
  5. Step 5: Solve for x
    x = 67,056,290,002.56/333,542.80
  6. Step 6: Final answer
    x = 201,042.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.