Home / 348,331.06-522,059.49-188,400.61

Finding the Fourth Proportional to 348,331.06, 522,059.49 and 188,400.61

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Solution

The fourth proportional to 348,331.06, 522,059.49 and 188,400.61 is: 282,364.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,331.06 : 522,059.49 = 188,400.61 : x
  2. Step 2: Convert to fraction form
    348,331.06/522,059.49 = 188,400.61/x
  3. Step 3: Cross multiply
    348,331.06x = 522,059.49 × 188,400.61
  4. Step 4: Simplify right side
    348,331.06x = 98,356,325,067.14
  5. Step 5: Solve for x
    x = 98,356,325,067.14/348,331.06
  6. Step 6: Final answer
    x = 282,364.50

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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.