Home / 291,605.33-402,423.88-170,735.31

Finding the Fourth Proportional to 291,605.33, 402,423.88 and 170,735.31

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Solution

The fourth proportional to 291,605.33, 402,423.88 and 170,735.31 is: 235,619.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,605.33 : 402,423.88 = 170,735.31 : x
  2. Step 2: Convert to fraction form
    291,605.33/402,423.88 = 170,735.31/x
  3. Step 3: Cross multiply
    291,605.33x = 402,423.88 × 170,735.31
  4. Step 4: Simplify right side
    291,605.33x = 68,707,964,104.50
  5. Step 5: Solve for x
    x = 68,707,964,104.50/291,605.33
  6. Step 6: Final answer
    x = 235,619.71

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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.