Home / 236,826.69-355,295.45-161,982.10

Finding the Fourth Proportional to 236,826.69, 355,295.45 and 161,982.10

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Solution

The fourth proportional to 236,826.69, 355,295.45 and 161,982.10 is: 243,011.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,826.69 : 355,295.45 = 161,982.10 : x
  2. Step 2: Convert to fraction form
    236,826.69/355,295.45 = 161,982.10/x
  3. Step 3: Cross multiply
    236,826.69x = 355,295.45 × 161,982.10
  4. Step 4: Simplify right side
    236,826.69x = 57,551,503,111.45
  5. Step 5: Solve for x
    x = 57,551,503,111.45/236,826.69
  6. Step 6: Final answer
    x = 243,011.05

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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.