Home / 313,310.21-432,365.13-170,067.18

Finding the Fourth Proportional to 313,310.21, 432,365.13 and 170,067.18

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Solution

The fourth proportional to 313,310.21, 432,365.13 and 170,067.18 is: 234,691.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,310.21 : 432,365.13 = 170,067.18 : x
  2. Step 2: Convert to fraction form
    313,310.21/432,365.13 = 170,067.18/x
  3. Step 3: Cross multiply
    313,310.21x = 432,365.13 × 170,067.18
  4. Step 4: Simplify right side
    313,310.21x = 73,531,118,389.43
  5. Step 5: Solve for x
    x = 73,531,118,389.43/313,310.21
  6. Step 6: Final answer
    x = 234,691.11

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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.