Home / 379,862.33-524,219.72-228,969.05

Finding the Fourth Proportional to 379,862.33, 524,219.72 and 228,969.05

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Solution

The fourth proportional to 379,862.33, 524,219.72 and 228,969.05 is: 315,983.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,862.33 : 524,219.72 = 228,969.05 : x
  2. Step 2: Convert to fraction form
    379,862.33/524,219.72 = 228,969.05/x
  3. Step 3: Cross multiply
    379,862.33x = 524,219.72 × 228,969.05
  4. Step 4: Simplify right side
    379,862.33x = 120,030,087,513.72
  5. Step 5: Solve for x
    x = 120,030,087,513.72/379,862.33
  6. Step 6: Final answer
    x = 315,983.13

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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.