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Finding the Fourth Proportional to 377,454.84, 520,716.04 and 224,406.20

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Solution

The fourth proportional to 377,454.84, 520,716.04 and 224,406.20 is: 309,578.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,454.84 : 520,716.04 = 224,406.20 : x
  2. Step 2: Convert to fraction form
    377,454.84/520,716.04 = 224,406.20/x
  3. Step 3: Cross multiply
    377,454.84x = 520,716.04 × 224,406.20
  4. Step 4: Simplify right side
    377,454.84x = 116,851,906,889.48
  5. Step 5: Solve for x
    x = 116,851,906,889.48/377,454.84
  6. Step 6: Final answer
    x = 309,578.51

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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.