Home / 450,622.26-621,816.20-269,298.10

Finding the Fourth Proportional to 450,622.26, 621,816.20 and 269,298.10

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Solution

The fourth proportional to 450,622.26, 621,816.20 and 269,298.10 is: 371,605.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,622.26 : 621,816.20 = 269,298.10 : x
  2. Step 2: Convert to fraction form
    450,622.26/621,816.20 = 269,298.10/x
  3. Step 3: Cross multiply
    450,622.26x = 621,816.20 × 269,298.10
  4. Step 4: Simplify right side
    450,622.26x = 167,453,921,209.22
  5. Step 5: Solve for x
    x = 167,453,921,209.22/450,622.26
  6. Step 6: Final answer
    x = 371,605.97

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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.