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Finding the Fourth Proportional to 309,199.44, 463,132.62 and 208,807.59

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Solution

The fourth proportional to 309,199.44, 463,132.62 and 208,807.59 is: 312,761.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,199.44 : 463,132.62 = 208,807.59 : x
  2. Step 2: Convert to fraction form
    309,199.44/463,132.62 = 208,807.59/x
  3. Step 3: Cross multiply
    309,199.44x = 463,132.62 × 208,807.59
  4. Step 4: Simplify right side
    309,199.44x = 96,705,606,232.59
  5. Step 5: Solve for x
    x = 96,705,606,232.59/309,199.44
  6. Step 6: Final answer
    x = 312,761.26

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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.