Home / 377,341.44-520,731.12-226,438.56

Finding the Fourth Proportional to 377,341.44, 520,731.12 and 226,438.56

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Solution

The fourth proportional to 377,341.44, 520,731.12 and 226,438.56 is: 312,485.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,341.44 : 520,731.12 = 226,438.56 : x
  2. Step 2: Convert to fraction form
    377,341.44/520,731.12 = 226,438.56/x
  3. Step 3: Cross multiply
    377,341.44x = 520,731.12 × 226,438.56
  4. Step 4: Simplify right side
    377,341.44x = 117,913,604,959.99
  5. Step 5: Solve for x
    x = 117,913,604,959.99/377,341.44
  6. Step 6: Final answer
    x = 312,485.17

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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.