Home / 240,584.48-332,037.60-145,142.72

Finding the Fourth Proportional to 240,584.48, 332,037.60 and 145,142.72

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Solution

The fourth proportional to 240,584.48, 332,037.60 and 145,142.72 is: 200,315.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,584.48 : 332,037.60 = 145,142.72 : x
  2. Step 2: Convert to fraction form
    240,584.48/332,037.60 = 145,142.72/x
  3. Step 3: Cross multiply
    240,584.48x = 332,037.60 × 145,142.72
  4. Step 4: Simplify right side
    240,584.48x = 48,192,840,406.27
  5. Step 5: Solve for x
    x = 48,192,840,406.27/240,584.48
  6. Step 6: Final answer
    x = 200,315.67

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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.