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Finding the Fourth Proportional to 362,082.29, 499,326.39 and 216,864.81

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Solution

The fourth proportional to 362,082.29, 499,326.39 and 216,864.81 is: 299,065.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,082.29 : 499,326.39 = 216,864.81 : x
  2. Step 2: Convert to fraction form
    362,082.29/499,326.39 = 216,864.81/x
  3. Step 3: Cross multiply
    362,082.29x = 499,326.39 × 216,864.81
  4. Step 4: Simplify right side
    362,082.29x = 108,286,322,695.34
  5. Step 5: Solve for x
    x = 108,286,322,695.34/362,082.29
  6. Step 6: Final answer
    x = 299,065.51

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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.