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Finding the Fourth Proportional to 296,954.72, 444,838.72 and 178,561.28

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Solution

The fourth proportional to 296,954.72, 444,838.72 and 178,561.28 is: 267,485.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,954.72 : 444,838.72 = 178,561.28 : x
  2. Step 2: Convert to fraction form
    296,954.72/444,838.72 = 178,561.28/x
  3. Step 3: Cross multiply
    296,954.72x = 444,838.72 × 178,561.28
  4. Step 4: Simplify right side
    296,954.72x = 79,430,971,236.76
  5. Step 5: Solve for x
    x = 79,430,971,236.76/296,954.72
  6. Step 6: Final answer
    x = 267,485.13

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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.