Home / 271,423.40-374,508.20-156,700.05

Finding the Fourth Proportional to 271,423.40, 374,508.20 and 156,700.05

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Solution

The fourth proportional to 271,423.40, 374,508.20 and 156,700.05 is: 216,213.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,423.40 : 374,508.20 = 156,700.05 : x
  2. Step 2: Convert to fraction form
    271,423.40/374,508.20 = 156,700.05/x
  3. Step 3: Cross multiply
    271,423.40x = 374,508.20 × 156,700.05
  4. Step 4: Simplify right side
    271,423.40x = 58,685,452,881.91
  5. Step 5: Solve for x
    x = 58,685,452,881.91/271,423.40
  6. Step 6: Final answer
    x = 216,213.69

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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.