Home / 313,524.02-432,664.38-170,286.45

Finding the Fourth Proportional to 313,524.02, 432,664.38 and 170,286.45

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Solution

The fourth proportional to 313,524.02, 432,664.38 and 170,286.45 is: 234,995.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,524.02 : 432,664.38 = 170,286.45 : x
  2. Step 2: Convert to fraction form
    313,524.02/432,664.38 = 170,286.45/x
  3. Step 3: Cross multiply
    313,524.02x = 432,664.38 × 170,286.45
  4. Step 4: Simplify right side
    313,524.02x = 73,676,881,311.65
  5. Step 5: Solve for x
    x = 73,676,881,311.65/313,524.02
  6. Step 6: Final answer
    x = 234,995.97

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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.