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Finding the Fourth Proportional to 154,809.66, 232,280.24 and 84,606.96

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Solution

The fourth proportional to 154,809.66, 232,280.24 and 84,606.96 is: 126,946.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,809.66 : 232,280.24 = 84,606.96 : x
  2. Step 2: Convert to fraction form
    154,809.66/232,280.24 = 84,606.96/x
  3. Step 3: Cross multiply
    154,809.66x = 232,280.24 × 84,606.96
  4. Step 4: Simplify right side
    154,809.66x = 19,652,524,974.47
  5. Step 5: Solve for x
    x = 19,652,524,974.47/154,809.66
  6. Step 6: Final answer
    x = 126,946.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.