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Finding the Fourth Proportional to 445,448.16, 668,522.16 and 245,906.28

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Solution

The fourth proportional to 445,448.16, 668,522.16 and 245,906.28 is: 369,052.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,448.16 : 668,522.16 = 245,906.28 : x
  2. Step 2: Convert to fraction form
    445,448.16/668,522.16 = 245,906.28/x
  3. Step 3: Cross multiply
    445,448.16x = 668,522.16 × 245,906.28
  4. Step 4: Simplify right side
    445,448.16x = 164,393,797,463.17
  5. Step 5: Solve for x
    x = 164,393,797,463.17/445,448.16
  6. Step 6: Final answer
    x = 369,052.59

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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.