Home / 356,835.20-492,387.30-195,647.82

Finding the Fourth Proportional to 356,835.20, 492,387.30 and 195,647.82

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Solution

The fourth proportional to 356,835.20, 492,387.30 and 195,647.82 is: 269,969.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,835.20 : 492,387.30 = 195,647.82 : x
  2. Step 2: Convert to fraction form
    356,835.20/492,387.30 = 195,647.82/x
  3. Step 3: Cross multiply
    356,835.20x = 492,387.30 × 195,647.82
  4. Step 4: Simplify right side
    356,835.20x = 96,334,501,840.69
  5. Step 5: Solve for x
    x = 96,334,501,840.69/356,835.20
  6. Step 6: Final answer
    x = 269,969.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.