Home / 350,988.12-484,363.65-189,843.18

Finding the Fourth Proportional to 350,988.12, 484,363.65 and 189,843.18

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Solution

The fourth proportional to 350,988.12, 484,363.65 and 189,843.18 is: 261,983.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,988.12 : 484,363.65 = 189,843.18 : x
  2. Step 2: Convert to fraction form
    350,988.12/484,363.65 = 189,843.18/x
  3. Step 3: Cross multiply
    350,988.12x = 484,363.65 × 189,843.18
  4. Step 4: Simplify right side
    350,988.12x = 91,953,135,592.41
  5. Step 5: Solve for x
    x = 91,953,135,592.41/350,988.12
  6. Step 6: Final answer
    x = 261,983.61

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1.5x scale

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.