Home / 313,418.69-432,505.66-170,175.45

Finding the Fourth Proportional to 313,418.69, 432,505.66 and 170,175.45

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Solution

The fourth proportional to 313,418.69, 432,505.66 and 170,175.45 is: 234,835.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,418.69 : 432,505.66 = 170,175.45 : x
  2. Step 2: Convert to fraction form
    313,418.69/432,505.66 = 170,175.45/x
  3. Step 3: Cross multiply
    313,418.69x = 432,505.66 × 170,175.45
  4. Step 4: Simplify right side
    313,418.69x = 73,601,845,318.05
  5. Step 5: Solve for x
    x = 73,601,845,318.05/313,418.69
  6. Step 6: Final answer
    x = 234,835.53

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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.