Home / 220,838.70-331,263.47-80,597.30

Finding the Fourth Proportional to 220,838.70, 331,263.47 and 80,597.30

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Solution

The fourth proportional to 220,838.70, 331,263.47 and 80,597.30 is: 120,897.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,838.70 : 331,263.47 = 80,597.30 : x
  2. Step 2: Convert to fraction form
    220,838.70/331,263.47 = 80,597.30/x
  3. Step 3: Cross multiply
    220,838.70x = 331,263.47 × 80,597.30
  4. Step 4: Simplify right side
    220,838.70x = 26,698,941,270.63
  5. Step 5: Solve for x
    x = 26,698,941,270.63/220,838.70
  6. Step 6: Final answer
    x = 120,897.93

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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.