Home / 271,326.78-374,454.63-158,147.10

Finding the Fourth Proportional to 271,326.78, 374,454.63 and 158,147.10

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Solution

The fourth proportional to 271,326.78, 374,454.63 and 158,147.10 is: 218,256.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,326.78 : 374,454.63 = 158,147.10 : x
  2. Step 2: Convert to fraction form
    271,326.78/374,454.63 = 158,147.10/x
  3. Step 3: Cross multiply
    271,326.78x = 374,454.63 × 158,147.10
  4. Step 4: Simplify right side
    271,326.78x = 59,218,913,816.07
  5. Step 5: Solve for x
    x = 59,218,913,816.07/271,326.78
  6. Step 6: Final answer
    x = 218,256.80

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1.5x scale

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.