Home / 271,853.36-408,029.13-145,636.10

Finding the Fourth Proportional to 271,853.36, 408,029.13 and 145,636.10

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Solution

The fourth proportional to 271,853.36, 408,029.13 and 145,636.10 is: 218,587.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,853.36 : 408,029.13 = 145,636.10 : x
  2. Step 2: Convert to fraction form
    271,853.36/408,029.13 = 145,636.10/x
  3. Step 3: Cross multiply
    271,853.36x = 408,029.13 × 145,636.10
  4. Step 4: Simplify right side
    271,853.36x = 59,423,771,179.59
  5. Step 5: Solve for x
    x = 59,423,771,179.59/271,853.36
  6. Step 6: Final answer
    x = 218,587.59

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1.5x scale

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.