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Finding the Fourth Proportional to 379,850.90, 569,566 and 155,368.97

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Solution

The fourth proportional to 379,850.90, 569,566 and 155,368.97 is: 232,967.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,850.90 : 569,566 = 155,368.97 : x
  2. Step 2: Convert to fraction form
    379,850.90/569,566 = 155,368.97/x
  3. Step 3: Cross multiply
    379,850.90x = 569,566 × 155,368.97
  4. Step 4: Simplify right side
    379,850.90x = 88,492,882,767.02
  5. Step 5: Solve for x
    x = 88,492,882,767.02/379,850.90
  6. Step 6: Final answer
    x = 232,967.42

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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.