Home / 377,539.12-521,106.34-222,625.71

Finding the Fourth Proportional to 377,539.12, 521,106.34 and 222,625.71

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Solution

The fourth proportional to 377,539.12, 521,106.34 and 222,625.71 is: 307,283.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,539.12 : 521,106.34 = 222,625.71 : x
  2. Step 2: Convert to fraction form
    377,539.12/521,106.34 = 222,625.71/x
  3. Step 3: Cross multiply
    377,539.12x = 521,106.34 × 222,625.71
  4. Step 4: Simplify right side
    377,539.12x = 116,011,665,209.34
  5. Step 5: Solve for x
    x = 116,011,665,209.34/377,539.12
  6. Step 6: Final answer
    x = 307,283.83

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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.