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Finding the Fourth Proportional to 370,165.44, 510,828.52 and 200,399.64

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Solution

The fourth proportional to 370,165.44, 510,828.52 and 200,399.64 is: 276,551.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,165.44 : 510,828.52 = 200,399.64 : x
  2. Step 2: Convert to fraction form
    370,165.44/510,828.52 = 200,399.64/x
  3. Step 3: Cross multiply
    370,165.44x = 510,828.52 × 200,399.64
  4. Step 4: Simplify right side
    370,165.44x = 102,369,851,509.73
  5. Step 5: Solve for x
    x = 102,369,851,509.73/370,165.44
  6. Step 6: Final answer
    x = 276,551.62

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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.