Home / 313,517.52-432,657.30-170,280.36

Finding the Fourth Proportional to 313,517.52, 432,657.30 and 170,280.36

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Solution

The fourth proportional to 313,517.52, 432,657.30 and 170,280.36 is: 234,988.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,517.52 : 432,657.30 = 170,280.36 : x
  2. Step 2: Convert to fraction form
    313,517.52/432,657.30 = 170,280.36/x
  3. Step 3: Cross multiply
    313,517.52x = 432,657.30 × 170,280.36
  4. Step 4: Simplify right side
    313,517.52x = 73,673,040,800.63
  5. Step 5: Solve for x
    x = 73,673,040,800.63/313,517.52
  6. Step 6: Final answer
    x = 234,988.59

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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.