Home / 271,639.39-374,886.09-158,498.59

Finding the Fourth Proportional to 271,639.39, 374,886.09 and 158,498.59

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Solution

The fourth proportional to 271,639.39, 374,886.09 and 158,498.59 is: 218,741.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,639.39 : 374,886.09 = 158,498.59 : x
  2. Step 2: Convert to fraction form
    271,639.39/374,886.09 = 158,498.59/x
  3. Step 3: Cross multiply
    271,639.39x = 374,886.09 × 158,498.59
  4. Step 4: Simplify right side
    271,639.39x = 59,418,916,675.61
  5. Step 5: Solve for x
    x = 59,418,916,675.61/271,639.39
  6. Step 6: Final answer
    x = 218,741.90

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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.