Home / 377,926.85-521,528.37-205,840.91

Finding the Fourth Proportional to 377,926.85, 521,528.37 and 205,840.91

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Solution

The fourth proportional to 377,926.85, 521,528.37 and 205,840.91 is: 284,054.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,926.85 : 521,528.37 = 205,840.91 : x
  2. Step 2: Convert to fraction form
    377,926.85/521,528.37 = 205,840.91/x
  3. Step 3: Cross multiply
    377,926.85x = 521,528.37 × 205,840.91
  4. Step 4: Simplify right side
    377,926.85x = 107,351,874,271.62
  5. Step 5: Solve for x
    x = 107,351,874,271.62/377,926.85
  6. Step 6: Final answer
    x = 284,054.64

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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.