Home / 240,689.06-332,222.91-155,811.86

Finding the Fourth Proportional to 240,689.06, 332,222.91 and 155,811.86

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Solution

The fourth proportional to 240,689.06, 332,222.91 and 155,811.86 is: 215,066.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,689.06 : 332,222.91 = 155,811.86 : x
  2. Step 2: Convert to fraction form
    240,689.06/332,222.91 = 155,811.86/x
  3. Step 3: Cross multiply
    240,689.06x = 332,222.91 × 155,811.86
  4. Step 4: Simplify right side
    240,689.06x = 51,764,269,982.74
  5. Step 5: Solve for x
    x = 51,764,269,982.74/240,689.06
  6. Step 6: Final answer
    x = 215,066.98

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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.