Home / 421,687.92-581,927.59-228,095.75

Finding the Fourth Proportional to 421,687.92, 581,927.59 and 228,095.75

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Solution

The fourth proportional to 421,687.92, 581,927.59 and 228,095.75 is: 314,771.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,687.92 : 581,927.59 = 228,095.75 : x
  2. Step 2: Convert to fraction form
    421,687.92/581,927.59 = 228,095.75/x
  3. Step 3: Cross multiply
    421,687.92x = 581,927.59 × 228,095.75
  4. Step 4: Simplify right side
    421,687.92x = 132,735,208,553.34
  5. Step 5: Solve for x
    x = 132,735,208,553.34/421,687.92
  6. Step 6: Final answer
    x = 314,771.19

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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.