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Finding the Fourth Proportional to 274,100.84, 411,179.46 and 103,466.28

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Solution

The fourth proportional to 274,100.84, 411,179.46 and 103,466.28 is: 155,210.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,100.84 : 411,179.46 = 103,466.28 : x
  2. Step 2: Convert to fraction form
    274,100.84/411,179.46 = 103,466.28/x
  3. Step 3: Cross multiply
    274,100.84x = 411,179.46 × 103,466.28
  4. Step 4: Simplify right side
    274,100.84x = 42,543,210,587.31
  5. Step 5: Solve for x
    x = 42,543,210,587.31/274,100.84
  6. Step 6: Final answer
    x = 155,210.07

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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.