Home / 356,738.54-534,394.79-214,505.94

Finding the Fourth Proportional to 356,738.54, 534,394.79 and 214,505.94

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Solution

The fourth proportional to 356,738.54, 534,394.79 and 214,505.94 is: 321,330.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,738.54 : 534,394.79 = 214,505.94 : x
  2. Step 2: Convert to fraction form
    356,738.54/534,394.79 = 214,505.94/x
  3. Step 3: Cross multiply
    356,738.54x = 534,394.79 × 214,505.94
  4. Step 4: Simplify right side
    356,738.54x = 114,630,855,687.52
  5. Step 5: Solve for x
    x = 114,630,855,687.52/356,738.54
  6. Step 6: Final answer
    x = 321,330.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.