Home / 240,679.42-332,135.85-145,238.74

Finding the Fourth Proportional to 240,679.42, 332,135.85 and 145,238.74

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Solution

The fourth proportional to 240,679.42, 332,135.85 and 145,238.74 is: 200,428.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,679.42 : 332,135.85 = 145,238.74 : x
  2. Step 2: Convert to fraction form
    240,679.42/332,135.85 = 145,238.74/x
  3. Step 3: Cross multiply
    240,679.42x = 332,135.85 × 145,238.74
  4. Step 4: Simplify right side
    240,679.42x = 48,238,992,362.83
  5. Step 5: Solve for x
    x = 48,238,992,362.83/240,679.42
  6. Step 6: Final answer
    x = 200,428.41

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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.