Home / 204,470.28-306,297-162,421.56

Finding the Fourth Proportional to 204,470.28, 306,297 and 162,421.56

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Solution

The fourth proportional to 204,470.28, 306,297 and 162,421.56 is: 243,307.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,470.28 : 306,297 = 162,421.56 : x
  2. Step 2: Convert to fraction form
    204,470.28/306,297 = 162,421.56/x
  3. Step 3: Cross multiply
    204,470.28x = 306,297 × 162,421.56
  4. Step 4: Simplify right side
    204,470.28x = 49,749,236,563.32
  5. Step 5: Solve for x
    x = 49,749,236,563.32/204,470.28
  6. Step 6: Final answer
    x = 243,307.91

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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.