Home / 387,012.87-534,091.29-214,933.70

Finding the Fourth Proportional to 387,012.87, 534,091.29 and 214,933.70

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Solution

The fourth proportional to 387,012.87, 534,091.29 and 214,933.70 is: 296,616.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,012.87 : 534,091.29 = 214,933.70 : x
  2. Step 2: Convert to fraction form
    387,012.87/534,091.29 = 214,933.70/x
  3. Step 3: Cross multiply
    387,012.87x = 534,091.29 × 214,933.70
  4. Step 4: Simplify right side
    387,012.87x = 114,794,217,626.70
  5. Step 5: Solve for x
    x = 114,794,217,626.70/387,012.87
  6. Step 6: Final answer
    x = 296,616.02

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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.