Home / 450,320.71-621,340.83-268,997.14

Finding the Fourth Proportional to 450,320.71, 621,340.83 and 268,997.14

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Solution

The fourth proportional to 450,320.71, 621,340.83 and 268,997.14 is: 371,155.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,320.71 : 621,340.83 = 268,997.14 : x
  2. Step 2: Convert to fraction form
    450,320.71/621,340.83 = 268,997.14/x
  3. Step 3: Cross multiply
    450,320.71x = 621,340.83 × 268,997.14
  4. Step 4: Simplify right side
    450,320.71x = 167,138,906,235.23
  5. Step 5: Solve for x
    x = 167,138,906,235.23/450,320.71
  6. Step 6: Final answer
    x = 371,155.27

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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.