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Finding the Fourth Proportional to 504,628.66, 757,089.09 and 149,651.22

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Solution

The fourth proportional to 504,628.66, 757,089.09 and 149,651.22 is: 224,520.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,628.66 : 757,089.09 = 149,651.22 : x
  2. Step 2: Convert to fraction form
    504,628.66/757,089.09 = 149,651.22/x
  3. Step 3: Cross multiply
    504,628.66x = 757,089.09 × 149,651.22
  4. Step 4: Simplify right side
    504,628.66x = 113,299,301,433.49
  5. Step 5: Solve for x
    x = 113,299,301,433.49/504,628.66
  6. Step 6: Final answer
    x = 224,520.15

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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.