Home / 450,410.15-621,504.73-269,083.69

Finding the Fourth Proportional to 450,410.15, 621,504.73 and 269,083.69

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Solution

The fourth proportional to 450,410.15, 621,504.73 and 269,083.69 is: 371,298.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,410.15 : 621,504.73 = 269,083.69 : x
  2. Step 2: Convert to fraction form
    450,410.15/621,504.73 = 269,083.69/x
  3. Step 3: Cross multiply
    450,410.15x = 621,504.73 × 269,083.69
  4. Step 4: Simplify right side
    450,410.15x = 167,236,784,883.45
  5. Step 5: Solve for x
    x = 167,236,784,883.45/450,410.15
  6. Step 6: Final answer
    x = 371,298.88

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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.