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Finding the Fourth Proportional to 373,797.36, 560,362.59 and 137,085.12

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Solution

The fourth proportional to 373,797.36, 560,362.59 and 137,085.12 is: 205,505.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,797.36 : 560,362.59 = 137,085.12 : x
  2. Step 2: Convert to fraction form
    373,797.36/560,362.59 = 137,085.12/x
  3. Step 3: Cross multiply
    373,797.36x = 560,362.59 × 137,085.12
  4. Step 4: Simplify right side
    373,797.36x = 76,817,372,893.66
  5. Step 5: Solve for x
    x = 76,817,372,893.66/373,797.36
  6. Step 6: Final answer
    x = 205,505.39

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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.