Home / 271,401.36-406,557.72-138,276.24

Finding the Fourth Proportional to 271,401.36, 406,557.72 and 138,276.24

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Solution

The fourth proportional to 271,401.36, 406,557.72 and 138,276.24 is: 207,137.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,401.36 : 406,557.72 = 138,276.24 : x
  2. Step 2: Convert to fraction form
    271,401.36/406,557.72 = 138,276.24/x
  3. Step 3: Cross multiply
    271,401.36x = 406,557.72 × 138,276.24
  4. Step 4: Simplify right side
    271,401.36x = 56,217,272,864.57
  5. Step 5: Solve for x
    x = 56,217,272,864.57/271,401.36
  6. Step 6: Final answer
    x = 207,137.03

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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.