Home / 215,977.22-298,047.72-120,483.84

Finding the Fourth Proportional to 215,977.22, 298,047.72 and 120,483.84

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Solution

The fourth proportional to 215,977.22, 298,047.72 and 120,483.84 is: 166,267.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,977.22 : 298,047.72 = 120,483.84 : x
  2. Step 2: Convert to fraction form
    215,977.22/298,047.72 = 120,483.84/x
  3. Step 3: Cross multiply
    215,977.22x = 298,047.72 × 120,483.84
  4. Step 4: Simplify right side
    215,977.22x = 35,909,933,808.84
  5. Step 5: Solve for x
    x = 35,909,933,808.84/215,977.22
  6. Step 6: Final answer
    x = 166,267.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.