Home / 350,815.13-484,124.75-189,670.13

Finding the Fourth Proportional to 350,815.13, 484,124.75 and 189,670.13

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Solution

The fourth proportional to 350,815.13, 484,124.75 and 189,670.13 is: 261,744.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,815.13 : 484,124.75 = 189,670.13 : x
  2. Step 2: Convert to fraction form
    350,815.13/484,124.75 = 189,670.13/x
  3. Step 3: Cross multiply
    350,815.13x = 484,124.75 × 189,670.13
  4. Step 4: Simplify right side
    350,815.13x = 91,824,004,268.72
  5. Step 5: Solve for x
    x = 91,824,004,268.72/350,815.13
  6. Step 6: Final answer
    x = 261,744.71

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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.