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Finding the Fourth Proportional to 372,761.34, 559,005.93 and 136,033.98

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Solution

The fourth proportional to 372,761.34, 559,005.93 and 136,033.98 is: 204,001.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,761.34 : 559,005.93 = 136,033.98 : x
  2. Step 2: Convert to fraction form
    372,761.34/559,005.93 = 136,033.98/x
  3. Step 3: Cross multiply
    372,761.34x = 559,005.93 × 136,033.98
  4. Step 4: Simplify right side
    372,761.34x = 76,043,801,501.50
  5. Step 5: Solve for x
    x = 76,043,801,501.50/372,761.34
  6. Step 6: Final answer
    x = 204,001.31

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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.