Home / 362,436.12-500,145.65-217,322

Finding the Fourth Proportional to 362,436.12, 500,145.65 and 217,322

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Solution

The fourth proportional to 362,436.12, 500,145.65 and 217,322 is: 299,894.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,436.12 : 500,145.65 = 217,322 : x
  2. Step 2: Convert to fraction form
    362,436.12/500,145.65 = 217,322/x
  3. Step 3: Cross multiply
    362,436.12x = 500,145.65 × 217,322
  4. Step 4: Simplify right side
    362,436.12x = 108,692,652,949.30
  5. Step 5: Solve for x
    x = 108,692,652,949.30/362,436.12
  6. Step 6: Final answer
    x = 299,894.65

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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.