Home / 313,740.72-432,961.68-170,500.44

Finding the Fourth Proportional to 313,740.72, 432,961.68 and 170,500.44

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Solution

The fourth proportional to 313,740.72, 432,961.68 and 170,500.44 is: 235,290.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,740.72 : 432,961.68 = 170,500.44 : x
  2. Step 2: Convert to fraction form
    313,740.72/432,961.68 = 170,500.44/x
  3. Step 3: Cross multiply
    313,740.72x = 432,961.68 × 170,500.44
  4. Step 4: Simplify right side
    313,740.72x = 73,820,156,943.14
  5. Step 5: Solve for x
    x = 73,820,156,943.14/313,740.72
  6. Step 6: Final answer
    x = 235,290.33

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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.