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Finding the Fourth Proportional to 300,320.62, 414,436.91 and 164,351.84

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Solution

The fourth proportional to 300,320.62, 414,436.91 and 164,351.84 is: 226,802.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,320.62 : 414,436.91 = 164,351.84 : x
  2. Step 2: Convert to fraction form
    300,320.62/414,436.91 = 164,351.84/x
  3. Step 3: Cross multiply
    300,320.62x = 414,436.91 × 164,351.84
  4. Step 4: Simplify right side
    300,320.62x = 68,113,466,348.49
  5. Step 5: Solve for x
    x = 68,113,466,348.49/300,320.62
  6. Step 6: Final answer
    x = 226,802.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.