Home / 271,007.04-406,268.64-137,812.80

Finding the Fourth Proportional to 271,007.04, 406,268.64 and 137,812.80

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Solution

The fourth proportional to 271,007.04, 406,268.64 and 137,812.80 is: 206,596.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,007.04 : 406,268.64 = 137,812.80 : x
  2. Step 2: Convert to fraction form
    271,007.04/406,268.64 = 137,812.80/x
  3. Step 3: Cross multiply
    271,007.04x = 406,268.64 × 137,812.80
  4. Step 4: Simplify right side
    271,007.04x = 55,989,018,830.59
  5. Step 5: Solve for x
    x = 55,989,018,830.59/271,007.04
  6. Step 6: Final answer
    x = 206,596.18

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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.