Home / 377,383.20-520,770-207,612.96

Finding the Fourth Proportional to 377,383.20, 520,770 and 207,612.96

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Solution

The fourth proportional to 377,383.20, 520,770 and 207,612.96 is: 286,495.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,383.20 : 520,770 = 207,612.96 : x
  2. Step 2: Convert to fraction form
    377,383.20/520,770 = 207,612.96/x
  3. Step 3: Cross multiply
    377,383.20x = 520,770 × 207,612.96
  4. Step 4: Simplify right side
    377,383.20x = 108,118,601,179.20
  5. Step 5: Solve for x
    x = 108,118,601,179.20/377,383.20
  6. Step 6: Final answer
    x = 286,495.53

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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.