Home / 377,812.46-521,360.80-216,674.30

Finding the Fourth Proportional to 377,812.46, 521,360.80 and 216,674.30

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Solution

The fourth proportional to 377,812.46, 521,360.80 and 216,674.30 is: 298,998.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,812.46 : 521,360.80 = 216,674.30 : x
  2. Step 2: Convert to fraction form
    377,812.46/521,360.80 = 216,674.30/x
  3. Step 3: Cross multiply
    377,812.46x = 521,360.80 × 216,674.30
  4. Step 4: Simplify right side
    377,812.46x = 112,965,483,238.95
  5. Step 5: Solve for x
    x = 112,965,483,238.95/377,812.46
  6. Step 6: Final answer
    x = 298,998.83

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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.