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Finding the Fourth Proportional to 377,083.75, 520,543.32 and 224,171.45

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Solution

The fourth proportional to 377,083.75, 520,543.32 and 224,171.45 is: 309,456.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,083.75 : 520,543.32 = 224,171.45 : x
  2. Step 2: Convert to fraction form
    377,083.75/520,543.32 = 224,171.45/x
  3. Step 3: Cross multiply
    377,083.75x = 520,543.32 × 224,171.45
  4. Step 4: Simplify right side
    377,083.75x = 116,690,950,832.21
  5. Step 5: Solve for x
    x = 116,690,950,832.21/377,083.75
  6. Step 6: Final answer
    x = 309,456.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.