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Finding the Fourth Proportional to 250,803.28, 376,242.72 and 73,288

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Solution

The fourth proportional to 250,803.28, 376,242.72 and 73,288 is: 109,943.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,803.28 : 376,242.72 = 73,288 : x
  2. Step 2: Convert to fraction form
    250,803.28/376,242.72 = 73,288/x
  3. Step 3: Cross multiply
    250,803.28x = 376,242.72 × 73,288
  4. Step 4: Simplify right side
    250,803.28x = 27,574,076,463.36
  5. Step 5: Solve for x
    x = 27,574,076,463.36/250,803.28
  6. Step 6: Final answer
    x = 109,943.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.