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Finding the Fourth Proportional to 377,563.56, 521,047.44 and 205,492.80

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Solution

The fourth proportional to 377,563.56, 521,047.44 and 205,492.80 is: 283,585.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,563.56 : 521,047.44 = 205,492.80 : x
  2. Step 2: Convert to fraction form
    377,563.56/521,047.44 = 205,492.80/x
  3. Step 3: Cross multiply
    377,563.56x = 521,047.44 × 205,492.80
  4. Step 4: Simplify right side
    377,563.56x = 107,071,497,378.43
  5. Step 5: Solve for x
    x = 107,071,497,378.43/377,563.56
  6. Step 6: Final answer
    x = 283,585.36

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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.