Home / 204,191.70-306,615.60-154,328.10

Finding the Fourth Proportional to 204,191.70, 306,615.60 and 154,328.10

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Solution

The fourth proportional to 204,191.70, 306,615.60 and 154,328.10 is: 231,740.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,191.70 : 306,615.60 = 154,328.10 : x
  2. Step 2: Convert to fraction form
    204,191.70/306,615.60 = 154,328.10/x
  3. Step 3: Cross multiply
    204,191.70x = 306,615.60 × 154,328.10
  4. Step 4: Simplify right side
    204,191.70x = 47,319,402,978.36
  5. Step 5: Solve for x
    x = 47,319,402,978.36/204,191.70
  6. Step 6: Final answer
    x = 231,740.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.