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Finding the Fourth Proportional to 273,048.34, 376,800.29 and 158,347.48

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Solution

The fourth proportional to 273,048.34, 376,800.29 and 158,347.48 is: 218,515.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,048.34 : 376,800.29 = 158,347.48 : x
  2. Step 2: Convert to fraction form
    273,048.34/376,800.29 = 158,347.48/x
  3. Step 3: Cross multiply
    273,048.34x = 376,800.29 × 158,347.48
  4. Step 4: Simplify right side
    273,048.34x = 59,665,375,988.90
  5. Step 5: Solve for x
    x = 59,665,375,988.90/273,048.34
  6. Step 6: Final answer
    x = 218,515.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.