Home / 345,537.36-518,296.32-188,758.62

Finding the Fourth Proportional to 345,537.36, 518,296.32 and 188,758.62

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Solution

The fourth proportional to 345,537.36, 518,296.32 and 188,758.62 is: 283,132.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,537.36 : 518,296.32 = 188,758.62 : x
  2. Step 2: Convert to fraction form
    345,537.36/518,296.32 = 188,758.62/x
  3. Step 3: Cross multiply
    345,537.36x = 518,296.32 × 188,758.62
  4. Step 4: Simplify right side
    345,537.36x = 97,832,898,114.28
  5. Step 5: Solve for x
    x = 97,832,898,114.28/345,537.36
  6. Step 6: Final answer
    x = 283,132.62

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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.