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Finding the Fourth Proportional to 313,808.67, 433,060.38 and 170,568.72

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Solution

The fourth proportional to 313,808.67, 433,060.38 and 170,568.72 is: 235,387.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,808.67 : 433,060.38 = 170,568.72 : x
  2. Step 2: Convert to fraction form
    313,808.67/433,060.38 = 170,568.72/x
  3. Step 3: Cross multiply
    313,808.67x = 433,060.38 × 170,568.72
  4. Step 4: Simplify right side
    313,808.67x = 73,866,554,699.31
  5. Step 5: Solve for x
    x = 73,866,554,699.31/313,808.67
  6. Step 6: Final answer
    x = 235,387.23

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1.5x scale

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.