Home / 313,286.42-432,335.73-170,046.50

Finding the Fourth Proportional to 313,286.42, 432,335.73 and 170,046.50

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Solution

The fourth proportional to 313,286.42, 432,335.73 and 170,046.50 is: 234,664.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,286.42 : 432,335.73 = 170,046.50 : x
  2. Step 2: Convert to fraction form
    313,286.42/432,335.73 = 170,046.50/x
  3. Step 3: Cross multiply
    313,286.42x = 432,335.73 × 170,046.50
  4. Step 4: Simplify right side
    313,286.42x = 73,517,175,549.77
  5. Step 5: Solve for x
    x = 73,517,175,549.77/313,286.42
  6. Step 6: Final answer
    x = 234,664.42

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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.