Home / 379,258.00-523,391.94-218,113.17

Finding the Fourth Proportional to 379,258.00, 523,391.94 and 218,113.17

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Solution

The fourth proportional to 379,258.00, 523,391.94 and 218,113.17 is: 301,005.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,258.00 : 523,391.94 = 218,113.17 : x
  2. Step 2: Convert to fraction form
    379,258.00/523,391.94 = 218,113.17/x
  3. Step 3: Cross multiply
    379,258.00x = 523,391.94 × 218,113.17
  4. Step 4: Simplify right side
    379,258.00x = 114,158,675,553.77
  5. Step 5: Solve for x
    x = 114,158,675,553.77/379,258.00
  6. Step 6: Final answer
    x = 301,005.32

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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.