Home / 313,781.13-433,020.87-170,541.54

Finding the Fourth Proportional to 313,781.13, 433,020.87 and 170,541.54

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Solution

The fourth proportional to 313,781.13, 433,020.87 and 170,541.54 is: 235,348.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,781.13 : 433,020.87 = 170,541.54 : x
  2. Step 2: Convert to fraction form
    313,781.13/433,020.87 = 170,541.54/x
  3. Step 3: Cross multiply
    313,781.13x = 433,020.87 × 170,541.54
  4. Step 4: Simplify right side
    313,781.13x = 73,848,046,021.94
  5. Step 5: Solve for x
    x = 73,848,046,021.94/313,781.13
  6. Step 6: Final answer
    x = 235,348.91

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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.