Home / 477,986.43-659,640.06-263,146.50

Finding the Fourth Proportional to 477,986.43, 659,640.06 and 263,146.50

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Solution

The fourth proportional to 477,986.43, 659,640.06 and 263,146.50 is: 363,152.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,986.43 : 659,640.06 = 263,146.50 : x
  2. Step 2: Convert to fraction form
    477,986.43/659,640.06 = 263,146.50/x
  3. Step 3: Cross multiply
    477,986.43x = 659,640.06 × 263,146.50
  4. Step 4: Simplify right side
    477,986.43x = 173,581,973,048.79
  5. Step 5: Solve for x
    x = 173,581,973,048.79/477,986.43
  6. Step 6: Final answer
    x = 363,152.51

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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.