Home / 377,867.87-521,368.11-214,488.03

Finding the Fourth Proportional to 377,867.87, 521,368.11 and 214,488.03

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Solution

The fourth proportional to 377,867.87, 521,368.11 and 214,488.03 is: 295,942.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,867.87 : 521,368.11 = 214,488.03 : x
  2. Step 2: Convert to fraction form
    377,867.87/521,368.11 = 214,488.03/x
  3. Step 3: Cross multiply
    377,867.87x = 521,368.11 × 214,488.03
  4. Step 4: Simplify right side
    377,867.87x = 111,827,218,818.72
  5. Step 5: Solve for x
    x = 111,827,218,818.72/377,867.87
  6. Step 6: Final answer
    x = 295,942.65

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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.