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Finding the Fourth Proportional to 376,883.50, 565,584.45 and 155,267.50

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Solution

The fourth proportional to 376,883.50, 565,584.45 and 155,267.50 is: 233,008.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,883.50 : 565,584.45 = 155,267.50 : x
  2. Step 2: Convert to fraction form
    376,883.50/565,584.45 = 155,267.50/x
  3. Step 3: Cross multiply
    376,883.50x = 565,584.45 × 155,267.50
  4. Step 4: Simplify right side
    376,883.50x = 87,816,883,590.38
  5. Step 5: Solve for x
    x = 87,816,883,590.38/376,883.50
  6. Step 6: Final answer
    x = 233,008.03

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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.