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Finding the Fourth Proportional to 377,505.54, 566,356.32 and 140,850

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Solution

The fourth proportional to 377,505.54, 566,356.32 and 140,850 is: 211,311.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,505.54 : 566,356.32 = 140,850 : x
  2. Step 2: Convert to fraction form
    377,505.54/566,356.32 = 140,850/x
  3. Step 3: Cross multiply
    377,505.54x = 566,356.32 × 140,850
  4. Step 4: Simplify right side
    377,505.54x = 79,771,287,672
  5. Step 5: Solve for x
    x = 79,771,287,672/377,505.54
  6. Step 6: Final answer
    x = 211,311.57

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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.