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Finding the Fourth Proportional to 352,148.40, 527,639.40 and 299,660.40

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Solution

The fourth proportional to 352,148.40, 527,639.40 and 299,660.40 is: 448,994.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,148.40 : 527,639.40 = 299,660.40 : x
  2. Step 2: Convert to fraction form
    352,148.40/527,639.40 = 299,660.40/x
  3. Step 3: Cross multiply
    352,148.40x = 527,639.40 × 299,660.40
  4. Step 4: Simplify right side
    352,148.40x = 158,112,633,659.76
  5. Step 5: Solve for x
    x = 158,112,633,659.76/352,148.40
  6. Step 6: Final answer
    x = 448,994.33

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