Home / 356,864.19-492,471.60-203,949.84

Finding the Fourth Proportional to 356,864.19, 492,471.60 and 203,949.84

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Solution

The fourth proportional to 356,864.19, 492,471.60 and 203,949.84 is: 281,450.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,864.19 : 492,471.60 = 203,949.84 : x
  2. Step 2: Convert to fraction form
    356,864.19/492,471.60 = 203,949.84/x
  3. Step 3: Cross multiply
    356,864.19x = 492,471.60 × 203,949.84
  4. Step 4: Simplify right side
    356,864.19x = 100,439,501,643.81
  5. Step 5: Solve for x
    x = 100,439,501,643.81/356,864.19
  6. Step 6: Final answer
    x = 281,450.21

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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.