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Finding the Fourth Proportional to 376,100.80, 563,978.40 and 165,630.40

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Solution

The fourth proportional to 376,100.80, 563,978.40 and 165,630.40 is: 248,369.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,100.80 : 563,978.40 = 165,630.40 : x
  2. Step 2: Convert to fraction form
    376,100.80/563,978.40 = 165,630.40/x
  3. Step 3: Cross multiply
    376,100.80x = 563,978.40 × 165,630.40
  4. Step 4: Simplify right side
    376,100.80x = 93,411,967,983.36
  5. Step 5: Solve for x
    x = 93,411,967,983.36/376,100.80
  6. Step 6: Final answer
    x = 248,369.50

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