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Finding the Fourth Proportional to 274,304.20, 411,845.10 and 169,328.20

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Solution

The fourth proportional to 274,304.20, 411,845.10 and 169,328.20 is: 254,232.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,304.20 : 411,845.10 = 169,328.20 : x
  2. Step 2: Convert to fraction form
    274,304.20/411,845.10 = 169,328.20/x
  3. Step 3: Cross multiply
    274,304.20x = 411,845.10 × 169,328.20
  4. Step 4: Simplify right side
    274,304.20x = 69,736,989,461.82
  5. Step 5: Solve for x
    x = 69,736,989,461.82/274,304.20
  6. Step 6: Final answer
    x = 254,232.31

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1.5x scale

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.