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Finding the Fourth Proportional to 504,448.54, 756,783.52 and 149,490.34

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Solution

The fourth proportional to 504,448.54, 756,783.52 and 149,490.34 is: 224,268.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,448.54 : 756,783.52 = 149,490.34 : x
  2. Step 2: Convert to fraction form
    504,448.54/756,783.52 = 149,490.34/x
  3. Step 3: Cross multiply
    504,448.54x = 756,783.52 × 149,490.34
  4. Step 4: Simplify right side
    504,448.54x = 113,131,825,711.20
  5. Step 5: Solve for x
    x = 113,131,825,711.20/504,448.54
  6. Step 6: Final answer
    x = 224,268.32

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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.