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Finding the Fourth Proportional to 651,274.40, 976,450.80 and 251,760.80

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Solution

The fourth proportional to 651,274.40, 976,450.80 and 251,760.80 is: 377,463.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,274.40 : 976,450.80 = 251,760.80 : x
  2. Step 2: Convert to fraction form
    651,274.40/976,450.80 = 251,760.80/x
  3. Step 3: Cross multiply
    651,274.40x = 976,450.80 × 251,760.80
  4. Step 4: Simplify right side
    651,274.40x = 245,832,034,568.64
  5. Step 5: Solve for x
    x = 245,832,034,568.64/651,274.40
  6. Step 6: Final answer
    x = 377,463.07

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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.