Home / 271,686.54-407,551.41-84,699.66

Finding the Fourth Proportional to 271,686.54, 407,551.41 and 84,699.66

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Solution

The fourth proportional to 271,686.54, 407,551.41 and 84,699.66 is: 127,056.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,686.54 : 407,551.41 = 84,699.66 : x
  2. Step 2: Convert to fraction form
    271,686.54/407,551.41 = 84,699.66/x
  3. Step 3: Cross multiply
    271,686.54x = 407,551.41 × 84,699.66
  4. Step 4: Simplify right side
    271,686.54x = 34,519,465,859.52
  5. Step 5: Solve for x
    x = 34,519,465,859.52/271,686.54
  6. Step 6: Final answer
    x = 127,056.22

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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.