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Finding the Fourth Proportional to 450,499.62, 621,628.12 and 269,173.23

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Solution

The fourth proportional to 450,499.62, 621,628.12 and 269,173.23 is: 371,422.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,499.62 : 621,628.12 = 269,173.23 : x
  2. Step 2: Convert to fraction form
    450,499.62/621,628.12 = 269,173.23/x
  3. Step 3: Cross multiply
    450,499.62x = 621,628.12 × 269,173.23
  4. Step 4: Simplify right side
    450,499.62x = 167,325,646,924.59
  5. Step 5: Solve for x
    x = 167,325,646,924.59/450,499.62
  6. Step 6: Final answer
    x = 371,422.39

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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.