Home / 281,572.27-388,579.41-154,247.83

Finding the Fourth Proportional to 281,572.27, 388,579.41 and 154,247.83

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Solution

The fourth proportional to 281,572.27, 388,579.41 and 154,247.83 is: 212,867.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,572.27 : 388,579.41 = 154,247.83 : x
  2. Step 2: Convert to fraction form
    281,572.27/388,579.41 = 154,247.83/x
  3. Step 3: Cross multiply
    281,572.27x = 388,579.41 × 154,247.83
  4. Step 4: Simplify right side
    281,572.27x = 59,937,529,803.73
  5. Step 5: Solve for x
    x = 59,937,529,803.73/281,572.27
  6. Step 6: Final answer
    x = 212,867.31

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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.