Home / 336,950.38-505,669.45-131,815.29

Finding the Fourth Proportional to 336,950.38, 505,669.45 and 131,815.29

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Solution

The fourth proportional to 336,950.38, 505,669.45 and 131,815.29 is: 197,818.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,950.38 : 505,669.45 = 131,815.29 : x
  2. Step 2: Convert to fraction form
    336,950.38/505,669.45 = 131,815.29/x
  3. Step 3: Cross multiply
    336,950.38x = 505,669.45 × 131,815.29
  4. Step 4: Simplify right side
    336,950.38x = 66,654,966,130.53
  5. Step 5: Solve for x
    x = 66,654,966,130.53/336,950.38
  6. Step 6: Final answer
    x = 197,818.34

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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.