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Finding the Fourth Proportional to 295,717.94, 443,790.75 and 118,274.48

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Solution

The fourth proportional to 295,717.94, 443,790.75 and 118,274.48 is: 177,497.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,717.94 : 443,790.75 = 118,274.48 : x
  2. Step 2: Convert to fraction form
    295,717.94/443,790.75 = 118,274.48/x
  3. Step 3: Cross multiply
    295,717.94x = 443,790.75 × 118,274.48
  4. Step 4: Simplify right side
    295,717.94x = 52,489,117,966.11
  5. Step 5: Solve for x
    x = 52,489,117,966.11/295,717.94
  6. Step 6: Final answer
    x = 177,497.24

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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.