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Finding the Fourth Proportional to 370,257.28, 510,957.48 and 200,491.44

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Solution

The fourth proportional to 370,257.28, 510,957.48 and 200,491.44 is: 276,679.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,257.28 : 510,957.48 = 200,491.44 : x
  2. Step 2: Convert to fraction form
    370,257.28/510,957.48 = 200,491.44/x
  3. Step 3: Cross multiply
    370,257.28x = 510,957.48 × 200,491.44
  4. Step 4: Simplify right side
    370,257.28x = 102,442,600,943.97
  5. Step 5: Solve for x
    x = 102,442,600,943.97/370,257.28
  6. Step 6: Final answer
    x = 276,679.50

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1.5x scale

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.