Home / 342,821.20-472,606.32-252,016.96

Finding the Fourth Proportional to 342,821.20, 472,606.32 and 252,016.96

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Solution

The fourth proportional to 342,821.20, 472,606.32 and 252,016.96 is: 347,425.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,821.20 : 472,606.32 = 252,016.96 : x
  2. Step 2: Convert to fraction form
    342,821.20/472,606.32 = 252,016.96/x
  3. Step 3: Cross multiply
    342,821.20x = 472,606.32 × 252,016.96
  4. Step 4: Simplify right side
    342,821.20x = 119,104,808,043.19
  5. Step 5: Solve for x
    x = 119,104,808,043.19/342,821.20
  6. Step 6: Final answer
    x = 347,425.45

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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.