Home / 313,742.39-432,967.25-170,502.43

Finding the Fourth Proportional to 313,742.39, 432,967.25 and 170,502.43

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Solution

The fourth proportional to 313,742.39, 432,967.25 and 170,502.43 is: 235,294.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,742.39 : 432,967.25 = 170,502.43 : x
  2. Step 2: Convert to fraction form
    313,742.39/432,967.25 = 170,502.43/x
  3. Step 3: Cross multiply
    313,742.39x = 432,967.25 × 170,502.43
  4. Step 4: Simplify right side
    313,742.39x = 73,821,968,235.42
  5. Step 5: Solve for x
    x = 73,821,968,235.42/313,742.39
  6. Step 6: Final answer
    x = 235,294.85

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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.