Home / 306,528.42-422,997.66-170,567.46

Finding the Fourth Proportional to 306,528.42, 422,997.66 and 170,567.46

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Solution

The fourth proportional to 306,528.42, 422,997.66 and 170,567.46 is: 235,376.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,528.42 : 422,997.66 = 170,567.46 : x
  2. Step 2: Convert to fraction form
    306,528.42/422,997.66 = 170,567.46/x
  3. Step 3: Cross multiply
    306,528.42x = 422,997.66 × 170,567.46
  4. Step 4: Simplify right side
    306,528.42x = 72,149,636,452.14
  5. Step 5: Solve for x
    x = 72,149,636,452.14/306,528.42
  6. Step 6: Final answer
    x = 235,376.66

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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.