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Finding the Fourth Proportional to 449,282.64, 620,147.34 and 277,253.24

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Solution

The fourth proportional to 449,282.64, 620,147.34 and 277,253.24 is: 382,694.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,282.64 : 620,147.34 = 277,253.24 : x
  2. Step 2: Convert to fraction form
    449,282.64/620,147.34 = 277,253.24/x
  3. Step 3: Cross multiply
    449,282.64x = 620,147.34 × 277,253.24
  4. Step 4: Simplify right side
    449,282.64x = 171,937,859,292.38
  5. Step 5: Solve for x
    x = 171,937,859,292.38/449,282.64
  6. Step 6: Final answer
    x = 382,694.20

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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.