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Finding the Fourth Proportional to 540,370.89, 810,836.72 and 240,781.79

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Solution

The fourth proportional to 540,370.89, 810,836.72 and 240,781.79 is: 361,297.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,370.89 : 810,836.72 = 240,781.79 : x
  2. Step 2: Convert to fraction form
    540,370.89/810,836.72 = 240,781.79/x
  3. Step 3: Cross multiply
    540,370.89x = 810,836.72 × 240,781.79
  4. Step 4: Simplify right side
    540,370.89x = 195,234,716,748.01
  5. Step 5: Solve for x
    x = 195,234,716,748.01/540,370.89
  6. Step 6: Final answer
    x = 361,297.62

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1.5x scale

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.