Home / 271,894.07-407,882.59-138,701.66

Finding the Fourth Proportional to 271,894.07, 407,882.59 and 138,701.66

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Solution

The fourth proportional to 271,894.07, 407,882.59 and 138,701.66 is: 208,073.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,894.07 : 407,882.59 = 138,701.66 : x
  2. Step 2: Convert to fraction form
    271,894.07/407,882.59 = 138,701.66/x
  3. Step 3: Cross multiply
    271,894.07x = 407,882.59 × 138,701.66
  4. Step 4: Simplify right side
    271,894.07x = 56,573,989,931.93
  5. Step 5: Solve for x
    x = 56,573,989,931.93/271,894.07
  6. Step 6: Final answer
    x = 208,073.65

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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.