Home / 309,618.36-464,369.04-109,930.68

Finding the Fourth Proportional to 309,618.36, 464,369.04 and 109,930.68

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Solution

The fourth proportional to 309,618.36, 464,369.04 and 109,930.68 is: 164,875.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,618.36 : 464,369.04 = 109,930.68 : x
  2. Step 2: Convert to fraction form
    309,618.36/464,369.04 = 109,930.68/x
  3. Step 3: Cross multiply
    309,618.36x = 464,369.04 × 109,930.68
  4. Step 4: Simplify right side
    309,618.36x = 51,048,404,338.15
  5. Step 5: Solve for x
    x = 51,048,404,338.15/309,618.36
  6. Step 6: Final answer
    x = 164,875.25

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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.