Home / 285,141.26-393,565.03-170,487.79

Finding the Fourth Proportional to 285,141.26, 393,565.03 and 170,487.79

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Solution

The fourth proportional to 285,141.26, 393,565.03 and 170,487.79 is: 235,315.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,141.26 : 393,565.03 = 170,487.79 : x
  2. Step 2: Convert to fraction form
    285,141.26/393,565.03 = 170,487.79/x
  3. Step 3: Cross multiply
    285,141.26x = 393,565.03 × 170,487.79
  4. Step 4: Simplify right side
    285,141.26x = 67,098,030,775.85
  5. Step 5: Solve for x
    x = 67,098,030,775.85/285,141.26
  6. Step 6: Final answer
    x = 235,315.05

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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.