Home / 257,826.24-386,749.82-122,820.89

Finding the Fourth Proportional to 257,826.24, 386,749.82 and 122,820.89

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Solution

The fourth proportional to 257,826.24, 386,749.82 and 122,820.89 is: 184,236.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,826.24 : 386,749.82 = 122,820.89 : x
  2. Step 2: Convert to fraction form
    257,826.24/386,749.82 = 122,820.89/x
  3. Step 3: Cross multiply
    257,826.24x = 386,749.82 × 122,820.89
  4. Step 4: Simplify right side
    257,826.24x = 47,500,955,473.04
  5. Step 5: Solve for x
    x = 47,500,955,473.04/257,826.24
  6. Step 6: Final answer
    x = 184,236.31

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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.