Home / 340,339.72-510,583.38-103,676.20

Finding the Fourth Proportional to 340,339.72, 510,583.38 and 103,676.20

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Solution

The fourth proportional to 340,339.72, 510,583.38 and 103,676.20 is: 155,536.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,339.72 : 510,583.38 = 103,676.20 : x
  2. Step 2: Convert to fraction form
    340,339.72/510,583.38 = 103,676.20/x
  3. Step 3: Cross multiply
    340,339.72x = 510,583.38 × 103,676.20
  4. Step 4: Simplify right side
    340,339.72x = 52,935,344,621.56
  5. Step 5: Solve for x
    x = 52,935,344,621.56/340,339.72
  6. Step 6: Final answer
    x = 155,536.78

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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.