Home / 264,512.12-396,771.42-77,527.40

Finding the Fourth Proportional to 264,512.12, 396,771.42 and 77,527.40

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Solution

The fourth proportional to 264,512.12, 396,771.42 and 77,527.40 is: 116,292.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,512.12 : 396,771.42 = 77,527.40 : x
  2. Step 2: Convert to fraction form
    264,512.12/396,771.42 = 77,527.40/x
  3. Step 3: Cross multiply
    264,512.12x = 396,771.42 × 77,527.40
  4. Step 4: Simplify right side
    264,512.12x = 30,760,656,586.91
  5. Step 5: Solve for x
    x = 30,760,656,586.91/264,512.12
  6. Step 6: Final answer
    x = 116,292.05

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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.