Home / 313,930.16-433,211.68-170,690.33

Finding the Fourth Proportional to 313,930.16, 433,211.68 and 170,690.33

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Solution

The fourth proportional to 313,930.16, 433,211.68 and 170,690.33 is: 235,546.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,930.16 : 433,211.68 = 170,690.33 : x
  2. Step 2: Convert to fraction form
    313,930.16/433,211.68 = 170,690.33/x
  3. Step 3: Cross multiply
    313,930.16x = 433,211.68 × 170,690.33
  4. Step 4: Simplify right side
    313,930.16x = 73,945,042,666.36
  5. Step 5: Solve for x
    x = 73,945,042,666.36/313,930.16
  6. Step 6: Final answer
    x = 235,546.15

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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.