Home / 356,067.48-534,099.78-145,705.32

Finding the Fourth Proportional to 356,067.48, 534,099.78 and 145,705.32

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Solution

The fourth proportional to 356,067.48, 534,099.78 and 145,705.32 is: 218,557.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,067.48 : 534,099.78 = 145,705.32 : x
  2. Step 2: Convert to fraction form
    356,067.48/534,099.78 = 145,705.32/x
  3. Step 3: Cross multiply
    356,067.48x = 534,099.78 × 145,705.32
  4. Step 4: Simplify right side
    356,067.48x = 77,821,179,356.83
  5. Step 5: Solve for x
    x = 77,821,179,356.83/356,067.48
  6. Step 6: Final answer
    x = 218,557.39

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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.