Home / 271,426.40-374,512.34-156,703.05

Finding the Fourth Proportional to 271,426.40, 374,512.34 and 156,703.05

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Solution

The fourth proportional to 271,426.40, 374,512.34 and 156,703.05 is: 216,217.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,426.40 : 374,512.34 = 156,703.05 : x
  2. Step 2: Convert to fraction form
    271,426.40/374,512.34 = 156,703.05/x
  3. Step 3: Cross multiply
    271,426.40x = 374,512.34 × 156,703.05
  4. Step 4: Simplify right side
    271,426.40x = 58,687,225,157.12
  5. Step 5: Solve for x
    x = 58,687,225,157.12/271,426.40
  6. Step 6: Final answer
    x = 216,217.83

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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.