Home / 386,120.35-532,849.62-214,040.17

Finding the Fourth Proportional to 386,120.35, 532,849.62 and 214,040.17

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Solution

The fourth proportional to 386,120.35, 532,849.62 and 214,040.17 is: 295,377.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,120.35 : 532,849.62 = 214,040.17 : x
  2. Step 2: Convert to fraction form
    386,120.35/532,849.62 = 214,040.17/x
  3. Step 3: Cross multiply
    386,120.35x = 532,849.62 × 214,040.17
  4. Step 4: Simplify right side
    386,120.35x = 114,051,223,249.24
  5. Step 5: Solve for x
    x = 114,051,223,249.24/386,120.35
  6. Step 6: Final answer
    x = 295,377.40

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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.