Home / 313,740.39-432,964.49-170,500.43

Finding the Fourth Proportional to 313,740.39, 432,964.49 and 170,500.43

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Solution

The fourth proportional to 313,740.39, 432,964.49 and 170,500.43 is: 235,292.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,740.39 : 432,964.49 = 170,500.43 : x
  2. Step 2: Convert to fraction form
    313,740.39/432,964.49 = 170,500.43/x
  3. Step 3: Cross multiply
    313,740.39x = 432,964.49 × 170,500.43
  4. Step 4: Simplify right side
    313,740.39x = 73,820,628,702.41
  5. Step 5: Solve for x
    x = 73,820,628,702.41/313,740.39
  6. Step 6: Final answer
    x = 235,292.08

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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.