Home / 356,836.41-492,388.86-203,884.53

Finding the Fourth Proportional to 356,836.41, 492,388.86 and 203,884.53

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Solution

The fourth proportional to 356,836.41, 492,388.86 and 203,884.53 is: 281,334.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,836.41 : 492,388.86 = 203,884.53 : x
  2. Step 2: Convert to fraction form
    356,836.41/492,388.86 = 203,884.53/x
  3. Step 3: Cross multiply
    356,836.41x = 492,388.86 × 203,884.53
  4. Step 4: Simplify right side
    356,836.41x = 100,390,471,298.34
  5. Step 5: Solve for x
    x = 100,390,471,298.34/356,836.41
  6. Step 6: Final answer
    x = 281,334.72

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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.