Home / 313,948.56-433,246.88-170,708.72

Finding the Fourth Proportional to 313,948.56, 433,246.88 and 170,708.72

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Solution

The fourth proportional to 313,948.56, 433,246.88 and 170,708.72 is: 235,576.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,948.56 : 433,246.88 = 170,708.72 : x
  2. Step 2: Convert to fraction form
    313,948.56/433,246.88 = 170,708.72/x
  3. Step 3: Cross multiply
    313,948.56x = 433,246.88 × 170,708.72
  4. Step 4: Simplify right side
    313,948.56x = 73,959,020,328.79
  5. Step 5: Solve for x
    x = 73,959,020,328.79/313,948.56
  6. Step 6: Final answer
    x = 235,576.87

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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.