Home / 272,682.12-408,833.40-120,796.72

Finding the Fourth Proportional to 272,682.12, 408,833.40 and 120,796.72

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Solution

The fourth proportional to 272,682.12, 408,833.40 and 120,796.72 is: 181,111.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,682.12 : 408,833.40 = 120,796.72 : x
  2. Step 2: Convert to fraction form
    272,682.12/408,833.40 = 120,796.72/x
  3. Step 3: Cross multiply
    272,682.12x = 408,833.40 × 120,796.72
  4. Step 4: Simplify right side
    272,682.12x = 49,385,733,746.45
  5. Step 5: Solve for x
    x = 49,385,733,746.45/272,682.12
  6. Step 6: Final answer
    x = 181,111.01

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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.