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Finding the Fourth Proportional to 369,969.40, 554,954.10 and 328,635.10

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Solution

The fourth proportional to 369,969.40, 554,954.10 and 328,635.10 is: 492,952.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,969.40 : 554,954.10 = 328,635.10 : x
  2. Step 2: Convert to fraction form
    369,969.40/554,954.10 = 328,635.10/x
  3. Step 3: Cross multiply
    369,969.40x = 554,954.10 × 328,635.10
  4. Step 4: Simplify right side
    369,969.40x = 182,377,396,148.91
  5. Step 5: Solve for x
    x = 182,377,396,148.91/369,969.40
  6. Step 6: Final answer
    x = 492,952.65

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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.