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Finding the Fourth Proportional to 540,610, 810,917.88 and 146,626

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Solution

The fourth proportional to 540,610, 810,917.88 and 146,626 is: 219,939.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,610 : 810,917.88 = 146,626 : x
  2. Step 2: Convert to fraction form
    540,610/810,917.88 = 146,626/x
  3. Step 3: Cross multiply
    540,610x = 810,917.88 × 146,626
  4. Step 4: Simplify right side
    540,610x = 118,901,645,072.88
  5. Step 5: Solve for x
    x = 118,901,645,072.88/540,610
  6. Step 6: Final answer
    x = 219,939.78

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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.