Home / 335,029.40-502,536.20-82,309.48

Finding the Fourth Proportional to 335,029.40, 502,536.20 and 82,309.48

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Solution

The fourth proportional to 335,029.40, 502,536.20 and 82,309.48 is: 123,462.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,029.40 : 502,536.20 = 82,309.48 : x
  2. Step 2: Convert to fraction form
    335,029.40/502,536.20 = 82,309.48/x
  3. Step 3: Cross multiply
    335,029.40x = 502,536.20 × 82,309.48
  4. Step 4: Simplify right side
    335,029.40x = 41,363,493,303.18
  5. Step 5: Solve for x
    x = 41,363,493,303.18/335,029.40
  6. Step 6: Final answer
    x = 123,462.28

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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.