Home / 377,605.12-521,109.84-207,855.04

Finding the Fourth Proportional to 377,605.12, 521,109.84 and 207,855.04

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Solution

The fourth proportional to 377,605.12, 521,109.84 and 207,855.04 is: 286,848.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,605.12 : 521,109.84 = 207,855.04 : x
  2. Step 2: Convert to fraction form
    377,605.12/521,109.84 = 207,855.04/x
  3. Step 3: Cross multiply
    377,605.12x = 521,109.84 × 207,855.04
  4. Step 4: Simplify right side
    377,605.12x = 108,315,306,637.59
  5. Step 5: Solve for x
    x = 108,315,306,637.59/377,605.12
  6. Step 6: Final answer
    x = 286,848.09

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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.