Home / 377,305.09-520,665.96-205,223.20

Finding the Fourth Proportional to 377,305.09, 520,665.96 and 205,223.20

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Solution

The fourth proportional to 377,305.09, 520,665.96 and 205,223.20 is: 283,199.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,305.09 : 520,665.96 = 205,223.20 : x
  2. Step 2: Convert to fraction form
    377,305.09/520,665.96 = 205,223.20/x
  3. Step 3: Cross multiply
    377,305.09x = 520,665.96 × 205,223.20
  4. Step 4: Simplify right side
    377,305.09x = 106,852,734,442.27
  5. Step 5: Solve for x
    x = 106,852,734,442.27/377,305.09
  6. Step 6: Final answer
    x = 283,199.82

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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.