Home / 271,015.15-406,617.06-121,271.26

Finding the Fourth Proportional to 271,015.15, 406,617.06 and 121,271.26

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Solution

The fourth proportional to 271,015.15, 406,617.06 and 121,271.26 is: 181,949.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,015.15 : 406,617.06 = 121,271.26 : x
  2. Step 2: Convert to fraction form
    271,015.15/406,617.06 = 121,271.26/x
  3. Step 3: Cross multiply
    271,015.15x = 406,617.06 × 121,271.26
  4. Step 4: Simplify right side
    271,015.15x = 49,310,963,203.70
  5. Step 5: Solve for x
    x = 49,310,963,203.70/271,015.15
  6. Step 6: Final answer
    x = 181,949.10

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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.