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Finding the Fourth Proportional to 232,113.80, 347,842.65 and 143,102.90

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Solution

The fourth proportional to 232,113.80, 347,842.65 and 143,102.90 is: 214,452.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,113.80 : 347,842.65 = 143,102.90 : x
  2. Step 2: Convert to fraction form
    232,113.80/347,842.65 = 143,102.90/x
  3. Step 3: Cross multiply
    232,113.80x = 347,842.65 × 143,102.90
  4. Step 4: Simplify right side
    232,113.80x = 49,777,291,958.69
  5. Step 5: Solve for x
    x = 49,777,291,958.69/232,113.80
  6. Step 6: Final answer
    x = 214,452.10

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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.