Home / 240,709.67-332,190.75-145,214.31

Finding the Fourth Proportional to 240,709.67, 332,190.75 and 145,214.31

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Solution

The fourth proportional to 240,709.67, 332,190.75 and 145,214.31 is: 200,402.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,709.67 : 332,190.75 = 145,214.31 : x
  2. Step 2: Convert to fraction form
    240,709.67/332,190.75 = 145,214.31/x
  3. Step 3: Cross multiply
    240,709.67x = 332,190.75 × 145,214.31
  4. Step 4: Simplify right side
    240,709.67x = 48,238,851,380.11
  5. Step 5: Solve for x
    x = 48,238,851,380.11/240,709.67
  6. Step 6: Final answer
    x = 200,402.63

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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.