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Finding the Fourth Proportional to 450,522.28, 621,659.25 and 269,195.92

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Solution

The fourth proportional to 450,522.28, 621,659.25 and 269,195.92 is: 371,453.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,522.28 : 621,659.25 = 269,195.92 : x
  2. Step 2: Convert to fraction form
    450,522.28/621,659.25 = 269,195.92/x
  3. Step 3: Cross multiply
    450,522.28x = 621,659.25 × 269,195.92
  4. Step 4: Simplify right side
    450,522.28x = 167,348,133,730.26
  5. Step 5: Solve for x
    x = 167,348,133,730.26/450,522.28
  6. Step 6: Final answer
    x = 371,453.62

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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.