Home / 311,400.86-467,248.91-185,290.23

Finding the Fourth Proportional to 311,400.86, 467,248.91 and 185,290.23

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Solution

The fourth proportional to 311,400.86, 467,248.91 and 185,290.23 is: 278,023.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,400.86 : 467,248.91 = 185,290.23 : x
  2. Step 2: Convert to fraction form
    311,400.86/467,248.91 = 185,290.23/x
  3. Step 3: Cross multiply
    311,400.86x = 467,248.91 × 185,290.23
  4. Step 4: Simplify right side
    311,400.86x = 86,576,658,826.88
  5. Step 5: Solve for x
    x = 86,576,658,826.88/311,400.86
  6. Step 6: Final answer
    x = 278,023.19

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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.