Home / 377,954.58-521,577.34-208,188.70

Finding the Fourth Proportional to 377,954.58, 521,577.34 and 208,188.70

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Solution

The fourth proportional to 377,954.58, 521,577.34 and 208,188.70 is: 287,300.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,954.58 : 521,577.34 = 208,188.70 : x
  2. Step 2: Convert to fraction form
    377,954.58/521,577.34 = 208,188.70/x
  3. Step 3: Cross multiply
    377,954.58x = 521,577.34 × 208,188.70
  4. Step 4: Simplify right side
    377,954.58x = 108,586,508,364.06
  5. Step 5: Solve for x
    x = 108,586,508,364.06/377,954.58
  6. Step 6: Final answer
    x = 287,300.42

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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.