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Finding the Fourth Proportional to 369,969.70, 554,954.55 and 228,252.10

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Solution

The fourth proportional to 369,969.70, 554,954.55 and 228,252.10 is: 342,378.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,969.70 : 554,954.55 = 228,252.10 : x
  2. Step 2: Convert to fraction form
    369,969.70/554,954.55 = 228,252.10/x
  3. Step 3: Cross multiply
    369,969.70x = 554,954.55 × 228,252.10
  4. Step 4: Simplify right side
    369,969.70x = 126,669,541,442.06
  5. Step 5: Solve for x
    x = 126,669,541,442.06/369,969.70
  6. Step 6: Final answer
    x = 342,378.15

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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.