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Finding the Fourth Proportional to 376,382.32, 519,373.08 and 223,394.38

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Solution

The fourth proportional to 376,382.32, 519,373.08 and 223,394.38 is: 308,263.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,382.32 : 519,373.08 = 223,394.38 : x
  2. Step 2: Convert to fraction form
    376,382.32/519,373.08 = 223,394.38/x
  3. Step 3: Cross multiply
    376,382.32x = 519,373.08 × 223,394.38
  4. Step 4: Simplify right side
    376,382.32x = 116,025,025,896.86
  5. Step 5: Solve for x
    x = 116,025,025,896.86/376,382.32
  6. Step 6: Final answer
    x = 308,263.75

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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.