Home / 271,035.13-406,925.07-138,004.78

Finding the Fourth Proportional to 271,035.13, 406,925.07 and 138,004.78

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Solution

The fourth proportional to 271,035.13, 406,925.07 and 138,004.78 is: 207,196.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,035.13 : 406,925.07 = 138,004.78 : x
  2. Step 2: Convert to fraction form
    271,035.13/406,925.07 = 138,004.78/x
  3. Step 3: Cross multiply
    271,035.13x = 406,925.07 × 138,004.78
  4. Step 4: Simplify right side
    271,035.13x = 56,157,604,761.83
  5. Step 5: Solve for x
    x = 56,157,604,761.83/271,035.13
  6. Step 6: Final answer
    x = 207,196.77

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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.