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Finding the Fourth Proportional to 376,670.32, 519,678.32 and 213,304.48

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Solution

The fourth proportional to 376,670.32, 519,678.32 and 213,304.48 is: 294,288.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,670.32 : 519,678.32 = 213,304.48 : x
  2. Step 2: Convert to fraction form
    376,670.32/519,678.32 = 213,304.48/x
  3. Step 3: Cross multiply
    376,670.32x = 519,678.32 × 213,304.48
  4. Step 4: Simplify right side
    376,670.32x = 110,849,713,814.87
  5. Step 5: Solve for x
    x = 110,849,713,814.87/376,670.32
  6. Step 6: Final answer
    x = 294,288.42

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.