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Finding the Fourth Proportional to 377,229.84, 520,588.08 and 207,474.90

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Solution

The fourth proportional to 377,229.84, 520,588.08 and 207,474.90 is: 286,321.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,229.84 : 520,588.08 = 207,474.90 : x
  2. Step 2: Convert to fraction form
    377,229.84/520,588.08 = 207,474.90/x
  3. Step 3: Cross multiply
    377,229.84x = 520,588.08 × 207,474.90
  4. Step 4: Simplify right side
    377,229.84x = 108,008,959,839.19
  5. Step 5: Solve for x
    x = 108,008,959,839.19/377,229.84
  6. Step 6: Final answer
    x = 286,321.36

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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.