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Finding the Fourth Proportional to 377,521.08, 520,990.04 and 205,450.14

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Solution

The fourth proportional to 377,521.08, 520,990.04 and 205,450.14 is: 283,527.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,521.08 : 520,990.04 = 205,450.14 : x
  2. Step 2: Convert to fraction form
    377,521.08/520,990.04 = 205,450.14/x
  3. Step 3: Cross multiply
    377,521.08x = 520,990.04 × 205,450.14
  4. Step 4: Simplify right side
    377,521.08x = 107,037,476,656.61
  5. Step 5: Solve for x
    x = 107,037,476,656.61/377,521.08
  6. Step 6: Final answer
    x = 283,527.15

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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.