Home / 450,452.80-621,563.37-269,126.20

Finding the Fourth Proportional to 450,452.80, 621,563.37 and 269,126.20

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Solution

The fourth proportional to 450,452.80, 621,563.37 and 269,126.20 is: 371,357.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,452.80 : 621,563.37 = 269,126.20 : x
  2. Step 2: Convert to fraction form
    450,452.80/621,563.37 = 269,126.20/x
  3. Step 3: Cross multiply
    450,452.80x = 621,563.37 × 269,126.20
  4. Step 4: Simplify right side
    450,452.80x = 167,278,985,612.57
  5. Step 5: Solve for x
    x = 167,278,985,612.57/450,452.80
  6. Step 6: Final answer
    x = 371,357.41

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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.