Home / 351,036.10-484,429.26-189,890.65

Finding the Fourth Proportional to 351,036.10, 484,429.26 and 189,890.65

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Solution

The fourth proportional to 351,036.10, 484,429.26 and 189,890.65 is: 262,048.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,036.10 : 484,429.26 = 189,890.65 : x
  2. Step 2: Convert to fraction form
    351,036.10/484,429.26 = 189,890.65/x
  3. Step 3: Cross multiply
    351,036.10x = 484,429.26 × 189,890.65
  4. Step 4: Simplify right side
    351,036.10x = 91,988,585,849.35
  5. Step 5: Solve for x
    x = 91,988,585,849.35/351,036.10
  6. Step 6: Final answer
    x = 262,048.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.