Home / 340,418.46-510,628.26-140,519.36

Finding the Fourth Proportional to 340,418.46, 510,628.26 and 140,519.36

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Solution

The fourth proportional to 340,418.46, 510,628.26 and 140,519.36 is: 210,779.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,418.46 : 510,628.26 = 140,519.36 : x
  2. Step 2: Convert to fraction form
    340,418.46/510,628.26 = 140,519.36/x
  3. Step 3: Cross multiply
    340,418.46x = 510,628.26 × 140,519.36
  4. Step 4: Simplify right side
    340,418.46x = 71,753,156,293.11
  5. Step 5: Solve for x
    x = 71,753,156,293.11/340,418.46
  6. Step 6: Final answer
    x = 210,779.28

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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.