Home / 342,939.04-513,891.97-305,566.04

Finding the Fourth Proportional to 342,939.04, 513,891.97 and 305,566.04

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Solution

The fourth proportional to 342,939.04, 513,891.97 and 305,566.04 is: 457,888.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,939.04 : 513,891.97 = 305,566.04 : x
  2. Step 2: Convert to fraction form
    342,939.04/513,891.97 = 305,566.04/x
  3. Step 3: Cross multiply
    342,939.04x = 513,891.97 × 305,566.04
  4. Step 4: Simplify right side
    342,939.04x = 157,027,934,781.51
  5. Step 5: Solve for x
    x = 157,027,934,781.51/342,939.04
  6. Step 6: Final answer
    x = 457,888.77

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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.