Home / 377,111.82-520,425.13-229,945.30

Finding the Fourth Proportional to 377,111.82, 520,425.13 and 229,945.30

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Solution

The fourth proportional to 377,111.82, 520,425.13 and 229,945.30 is: 317,331.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,111.82 : 520,425.13 = 229,945.30 : x
  2. Step 2: Convert to fraction form
    377,111.82/520,425.13 = 229,945.30/x
  3. Step 3: Cross multiply
    377,111.82x = 520,425.13 × 229,945.30
  4. Step 4: Simplify right side
    377,111.82x = 119,669,312,645.39
  5. Step 5: Solve for x
    x = 119,669,312,645.39/377,111.82
  6. Step 6: Final answer
    x = 317,331.11

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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.