Home / 350,928.05-484,282.17-189,783.10

Finding the Fourth Proportional to 350,928.05, 484,282.17 and 189,783.10

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Solution

The fourth proportional to 350,928.05, 484,282.17 and 189,783.10 is: 261,901.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,928.05 : 484,282.17 = 189,783.10 : x
  2. Step 2: Convert to fraction form
    350,928.05/484,282.17 = 189,783.10/x
  3. Step 3: Cross multiply
    350,928.05x = 484,282.17 × 189,783.10
  4. Step 4: Simplify right side
    350,928.05x = 91,908,571,497.33
  5. Step 5: Solve for x
    x = 91,908,571,497.33/350,928.05
  6. Step 6: Final answer
    x = 261,901.47

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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.