Home / 312,721.17-468,989.73-141,844.02

Finding the Fourth Proportional to 312,721.17, 468,989.73 and 141,844.02

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Solution

The fourth proportional to 312,721.17, 468,989.73 and 141,844.02 is: 212,724.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,721.17 : 468,989.73 = 141,844.02 : x
  2. Step 2: Convert to fraction form
    312,721.17/468,989.73 = 141,844.02/x
  3. Step 3: Cross multiply
    312,721.17x = 468,989.73 × 141,844.02
  4. Step 4: Simplify right side
    312,721.17x = 66,523,388,641.91
  5. Step 5: Solve for x
    x = 66,523,388,641.91/312,721.17
  6. Step 6: Final answer
    x = 212,724.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.