Home / 451,431.74-622,982.94-270,151.40

Finding the Fourth Proportional to 451,431.74, 622,982.94 and 270,151.40

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Solution

The fourth proportional to 451,431.74, 622,982.94 and 270,151.40 is: 372,813.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,431.74 : 622,982.94 = 270,151.40 : x
  2. Step 2: Convert to fraction form
    451,431.74/622,982.94 = 270,151.40/x
  3. Step 3: Cross multiply
    451,431.74x = 622,982.94 × 270,151.40
  4. Step 4: Simplify right side
    451,431.74x = 168,299,713,417.12
  5. Step 5: Solve for x
    x = 168,299,713,417.12/451,431.74
  6. Step 6: Final answer
    x = 372,813.20

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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.