Home / 387,082.14-534,207.03-215,033.56

Finding the Fourth Proportional to 387,082.14, 534,207.03 and 215,033.56

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Solution

The fourth proportional to 387,082.14, 534,207.03 and 215,033.56 is: 296,765.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,082.14 : 534,207.03 = 215,033.56 : x
  2. Step 2: Convert to fraction form
    387,082.14/534,207.03 = 215,033.56/x
  3. Step 3: Cross multiply
    387,082.14x = 534,207.03 × 215,033.56
  4. Step 4: Simplify right side
    387,082.14x = 114,872,439,437.93
  5. Step 5: Solve for x
    x = 114,872,439,437.93/387,082.14
  6. Step 6: Final answer
    x = 296,765.02

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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.