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Finding the Fourth Proportional to 229,726.44, 344,562.28 and 61,259.40

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Solution

The fourth proportional to 229,726.44, 344,562.28 and 61,259.40 is: 91,881.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,726.44 : 344,562.28 = 61,259.40 : x
  2. Step 2: Convert to fraction form
    229,726.44/344,562.28 = 61,259.40/x
  3. Step 3: Cross multiply
    229,726.44x = 344,562.28 × 61,259.40
  4. Step 4: Simplify right side
    229,726.44x = 21,107,678,535.43
  5. Step 5: Solve for x
    x = 21,107,678,535.43/229,726.44
  6. Step 6: Final answer
    x = 91,881.80

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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.