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Finding the Fourth Proportional to 504,447.54, 756,782.02 and 149,489.34

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Solution

The fourth proportional to 504,447.54, 756,782.02 and 149,489.34 is: 224,266.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,447.54 : 756,782.02 = 149,489.34 : x
  2. Step 2: Convert to fraction form
    504,447.54/756,782.02 = 149,489.34/x
  3. Step 3: Cross multiply
    504,447.54x = 756,782.02 × 149,489.34
  4. Step 4: Simplify right side
    504,447.54x = 113,130,844,693.67
  5. Step 5: Solve for x
    x = 113,130,844,693.67/504,447.54
  6. Step 6: Final answer
    x = 224,266.82

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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.