Home / 236,930.40-354,877.20-143,272.80

Finding the Fourth Proportional to 236,930.40, 354,877.20 and 143,272.80

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Solution

The fourth proportional to 236,930.40, 354,877.20 and 143,272.80 is: 214,595.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,930.40 : 354,877.20 = 143,272.80 : x
  2. Step 2: Convert to fraction form
    236,930.40/354,877.20 = 143,272.80/x
  3. Step 3: Cross multiply
    236,930.40x = 354,877.20 × 143,272.80
  4. Step 4: Simplify right side
    236,930.40x = 50,844,250,100.16
  5. Step 5: Solve for x
    x = 50,844,250,100.16/236,930.40
  6. Step 6: Final answer
    x = 214,595.72

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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.