Home / 313,741.39-432,965.87-170,501.43

Finding the Fourth Proportional to 313,741.39, 432,965.87 and 170,501.43

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Solution

The fourth proportional to 313,741.39, 432,965.87 and 170,501.43 is: 235,293.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,741.39 : 432,965.87 = 170,501.43 : x
  2. Step 2: Convert to fraction form
    313,741.39/432,965.87 = 170,501.43/x
  3. Step 3: Cross multiply
    313,741.39x = 432,965.87 × 170,501.43
  4. Step 4: Simplify right side
    313,741.39x = 73,821,299,976.19
  5. Step 5: Solve for x
    x = 73,821,299,976.19/313,741.39
  6. Step 6: Final answer
    x = 235,293.47

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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.