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Finding the Fourth Proportional to 536,490.20, 804,735.30 and 181,515.80

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Solution

The fourth proportional to 536,490.20, 804,735.30 and 181,515.80 is: 272,273.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,490.20 : 804,735.30 = 181,515.80 : x
  2. Step 2: Convert to fraction form
    536,490.20/804,735.30 = 181,515.80/x
  3. Step 3: Cross multiply
    536,490.20x = 804,735.30 × 181,515.80
  4. Step 4: Simplify right side
    536,490.20x = 146,072,171,767.74
  5. Step 5: Solve for x
    x = 146,072,171,767.74/536,490.20
  6. Step 6: Final answer
    x = 272,273.70

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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.