Home / 356,848.20-492,449.76-205,945.20

Finding the Fourth Proportional to 356,848.20, 492,449.76 and 205,945.20

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Solution

The fourth proportional to 356,848.20, 492,449.76 and 205,945.20 is: 284,203.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,848.20 : 492,449.76 = 205,945.20 : x
  2. Step 2: Convert to fraction form
    356,848.20/492,449.76 = 205,945.20/x
  3. Step 3: Cross multiply
    356,848.20x = 492,449.76 × 205,945.20
  4. Step 4: Simplify right side
    356,848.20x = 101,417,664,313.15
  5. Step 5: Solve for x
    x = 101,417,664,313.15/356,848.20
  6. Step 6: Final answer
    x = 284,203.94

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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.