Home / 331,569.90-497,409.93-131,892.21

Finding the Fourth Proportional to 331,569.90, 497,409.93 and 131,892.21

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Solution

The fourth proportional to 331,569.90, 497,409.93 and 131,892.21 is: 197,860.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,569.90 : 497,409.93 = 131,892.21 : x
  2. Step 2: Convert to fraction form
    331,569.90/497,409.93 = 131,892.21/x
  3. Step 3: Cross multiply
    331,569.90x = 497,409.93 × 131,892.21
  4. Step 4: Simplify right side
    331,569.90x = 65,604,494,943.65
  5. Step 5: Solve for x
    x = 65,604,494,943.65/331,569.90
  6. Step 6: Final answer
    x = 197,860.22

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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.