Home / 264,218.40-396,327.60-254,887.20

Finding the Fourth Proportional to 264,218.40, 396,327.60 and 254,887.20

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Solution

The fourth proportional to 264,218.40, 396,327.60 and 254,887.20 is: 382,330.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,218.40 : 396,327.60 = 254,887.20 : x
  2. Step 2: Convert to fraction form
    264,218.40/396,327.60 = 254,887.20/x
  3. Step 3: Cross multiply
    264,218.40x = 396,327.60 × 254,887.20
  4. Step 4: Simplify right side
    264,218.40x = 101,018,832,246.72
  5. Step 5: Solve for x
    x = 101,018,832,246.72/264,218.40
  6. Step 6: Final answer
    x = 382,330.80

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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.