Home / 285,270.30-393,645.60-170,526.06

Finding the Fourth Proportional to 285,270.30, 393,645.60 and 170,526.06

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Solution

The fourth proportional to 285,270.30, 393,645.60 and 170,526.06 is: 235,309.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,270.30 : 393,645.60 = 170,526.06 : x
  2. Step 2: Convert to fraction form
    285,270.30/393,645.60 = 170,526.06/x
  3. Step 3: Cross multiply
    285,270.30x = 393,645.60 × 170,526.06
  4. Step 4: Simplify right side
    285,270.30x = 67,126,833,204.34
  5. Step 5: Solve for x
    x = 67,126,833,204.34/285,270.30
  6. Step 6: Final answer
    x = 235,309.58

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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.