Home / 311,982.40-467,973.60-264,743.20

Finding the Fourth Proportional to 311,982.40, 467,973.60 and 264,743.20

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Solution

The fourth proportional to 311,982.40, 467,973.60 and 264,743.20 is: 397,114.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,982.40 : 467,973.60 = 264,743.20 : x
  2. Step 2: Convert to fraction form
    311,982.40/467,973.60 = 264,743.20/x
  3. Step 3: Cross multiply
    311,982.40x = 467,973.60 × 264,743.20
  4. Step 4: Simplify right side
    311,982.40x = 123,892,828,379.52
  5. Step 5: Solve for x
    x = 123,892,828,379.52/311,982.40
  6. Step 6: Final answer
    x = 397,114.80

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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.