Home / 221,917.40-332,681.70-133,076.60

Finding the Fourth Proportional to 221,917.40, 332,681.70 and 133,076.60

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Solution

The fourth proportional to 221,917.40, 332,681.70 and 133,076.60 is: 199,498.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,917.40 : 332,681.70 = 133,076.60 : x
  2. Step 2: Convert to fraction form
    221,917.40/332,681.70 = 133,076.60/x
  3. Step 3: Cross multiply
    221,917.40x = 332,681.70 × 133,076.60
  4. Step 4: Simplify right side
    221,917.40x = 44,272,149,518.22
  5. Step 5: Solve for x
    x = 44,272,149,518.22/221,917.40
  6. Step 6: Final answer
    x = 199,498.32

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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.