Home / 379,946.88-524,310.84-207,864

Finding the Fourth Proportional to 379,946.88, 524,310.84 and 207,864

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Solution

The fourth proportional to 379,946.88, 524,310.84 and 207,864 is: 286,843.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,946.88 : 524,310.84 = 207,864 : x
  2. Step 2: Convert to fraction form
    379,946.88/524,310.84 = 207,864/x
  3. Step 3: Cross multiply
    379,946.88x = 524,310.84 × 207,864
  4. Step 4: Simplify right side
    379,946.88x = 108,985,348,445.76
  5. Step 5: Solve for x
    x = 108,985,348,445.76/379,946.88
  6. Step 6: Final answer
    x = 286,843.65

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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.