Home / 376,664.08-519,579.28-225,673.60

Finding the Fourth Proportional to 376,664.08, 519,579.28 and 225,673.60

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Solution

The fourth proportional to 376,664.08, 519,579.28 and 225,673.60 is: 311,299.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,664.08 : 519,579.28 = 225,673.60 : x
  2. Step 2: Convert to fraction form
    376,664.08/519,579.28 = 225,673.60/x
  3. Step 3: Cross multiply
    376,664.08x = 519,579.28 × 225,673.60
  4. Step 4: Simplify right side
    376,664.08x = 117,255,326,603.01
  5. Step 5: Solve for x
    x = 117,255,326,603.01/376,664.08
  6. Step 6: Final answer
    x = 311,299.47

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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.