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Finding the Fourth Proportional to 253,552.41, 349,901.04 and 138,828.96

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Solution

The fourth proportional to 253,552.41, 349,901.04 and 138,828.96 is: 191,583.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,552.41 : 349,901.04 = 138,828.96 : x
  2. Step 2: Convert to fraction form
    253,552.41/349,901.04 = 138,828.96/x
  3. Step 3: Cross multiply
    253,552.41x = 349,901.04 × 138,828.96
  4. Step 4: Simplify right side
    253,552.41x = 48,576,398,277.64
  5. Step 5: Solve for x
    x = 48,576,398,277.64/253,552.41
  6. Step 6: Final answer
    x = 191,583.27

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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.