Home / 240,748.21-361,113.67-90,982.45

Finding the Fourth Proportional to 240,748.21, 361,113.67 and 90,982.45

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Solution

The fourth proportional to 240,748.21, 361,113.67 and 90,982.45 is: 136,470.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,748.21 : 361,113.67 = 90,982.45 : x
  2. Step 2: Convert to fraction form
    240,748.21/361,113.67 = 90,982.45/x
  3. Step 3: Cross multiply
    240,748.21x = 361,113.67 × 90,982.45
  4. Step 4: Simplify right side
    240,748.21x = 32,855,006,425.09
  5. Step 5: Solve for x
    x = 32,855,006,425.09/240,748.21
  6. Step 6: Final answer
    x = 136,470.41

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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.