Home / 292,135.31-437,049.99-221,262.15

Finding the Fourth Proportional to 292,135.31, 437,049.99 and 221,262.15

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Solution

The fourth proportional to 292,135.31, 437,049.99 and 221,262.15 is: 331,019.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,135.31 : 437,049.99 = 221,262.15 : x
  2. Step 2: Convert to fraction form
    292,135.31/437,049.99 = 221,262.15/x
  3. Step 3: Cross multiply
    292,135.31x = 437,049.99 × 221,262.15
  4. Step 4: Simplify right side
    292,135.31x = 96,702,620,444.88
  5. Step 5: Solve for x
    x = 96,702,620,444.88/292,135.31
  6. Step 6: Final answer
    x = 331,019.97

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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.