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Finding the Fourth Proportional to 133,655.09, 200,501.06 and 44,915.47

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Solution

The fourth proportional to 133,655.09, 200,501.06 and 44,915.47 is: 67,379.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,655.09 : 200,501.06 = 44,915.47 : x
  2. Step 2: Convert to fraction form
    133,655.09/200,501.06 = 44,915.47/x
  3. Step 3: Cross multiply
    133,655.09x = 200,501.06 × 44,915.47
  4. Step 4: Simplify right side
    133,655.09x = 9,005,598,619.57
  5. Step 5: Solve for x
    x = 9,005,598,619.57/133,655.09
  6. Step 6: Final answer
    x = 67,379.39

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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.