Home / 236,828.70-355,243.05-211,023.90

Finding the Fourth Proportional to 236,828.70, 355,243.05 and 211,023.90

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Solution

The fourth proportional to 236,828.70, 355,243.05 and 211,023.90 is: 316,535.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,828.70 : 355,243.05 = 211,023.90 : x
  2. Step 2: Convert to fraction form
    236,828.70/355,243.05 = 211,023.90/x
  3. Step 3: Cross multiply
    236,828.70x = 355,243.05 × 211,023.90
  4. Step 4: Simplify right side
    236,828.70x = 74,964,773,858.90
  5. Step 5: Solve for x
    x = 74,964,773,858.90/236,828.70
  6. Step 6: Final answer
    x = 316,535.85

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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.