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Finding the Fourth Proportional to 192,814.88, 265,897.60 and 150,357.92

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Solution

The fourth proportional to 192,814.88, 265,897.60 and 150,357.92 is: 207,348.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,814.88 : 265,897.60 = 150,357.92 : x
  2. Step 2: Convert to fraction form
    192,814.88/265,897.60 = 150,357.92/x
  3. Step 3: Cross multiply
    192,814.88x = 265,897.60 × 150,357.92
  4. Step 4: Simplify right side
    192,814.88x = 39,979,810,068.99
  5. Step 5: Solve for x
    x = 39,979,810,068.99/192,814.88
  6. Step 6: Final answer
    x = 207,348.16

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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.