Home / 377,620.90-521,125.04-207,855.02

Finding the Fourth Proportional to 377,620.90, 521,125.04 and 207,855.02

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Solution

The fourth proportional to 377,620.90, 521,125.04 and 207,855.02 is: 286,844.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,620.90 : 521,125.04 = 207,855.02 : x
  2. Step 2: Convert to fraction form
    377,620.90/521,125.04 = 207,855.02/x
  3. Step 3: Cross multiply
    377,620.90x = 521,125.04 × 207,855.02
  4. Step 4: Simplify right side
    377,620.90x = 108,318,455,611.70
  5. Step 5: Solve for x
    x = 108,318,455,611.70/377,620.90
  6. Step 6: Final answer
    x = 286,844.44

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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.