Home / 319,046.49-478,678.41-200,579.13

Finding the Fourth Proportional to 319,046.49, 478,678.41 and 200,579.13

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Solution

The fourth proportional to 319,046.49, 478,678.41 and 200,579.13 is: 300,937.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,046.49 : 478,678.41 = 200,579.13 : x
  2. Step 2: Convert to fraction form
    319,046.49/478,678.41 = 200,579.13/x
  3. Step 3: Cross multiply
    319,046.49x = 478,678.41 × 200,579.13
  4. Step 4: Simplify right side
    319,046.49x = 96,012,899,027.58
  5. Step 5: Solve for x
    x = 96,012,899,027.58/319,046.49
  6. Step 6: Final answer
    x = 300,937.02

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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.