Home / 385,447.24-578,167.64-301,278.20

Finding the Fourth Proportional to 385,447.24, 578,167.64 and 301,278.20

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Solution

The fourth proportional to 385,447.24, 578,167.64 and 301,278.20 is: 451,914.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,447.24 : 578,167.64 = 301,278.20 : x
  2. Step 2: Convert to fraction form
    385,447.24/578,167.64 = 301,278.20/x
  3. Step 3: Cross multiply
    385,447.24x = 578,167.64 × 301,278.20
  4. Step 4: Simplify right side
    385,447.24x = 174,189,305,877.45
  5. Step 5: Solve for x
    x = 174,189,305,877.45/385,447.24
  6. Step 6: Final answer
    x = 451,914.78

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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.