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Finding the Fourth Proportional to 185,440, 275,774.48 and 179,535.28

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Solution

The fourth proportional to 185,440, 275,774.48 and 179,535.28 is: 266,993.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,440 : 275,774.48 = 179,535.28 : x
  2. Step 2: Convert to fraction form
    185,440/275,774.48 = 179,535.28/x
  3. Step 3: Cross multiply
    185,440x = 275,774.48 × 179,535.28
  4. Step 4: Simplify right side
    185,440x = 49,511,248,483.65
  5. Step 5: Solve for x
    x = 49,511,248,483.65/185,440
  6. Step 6: Final answer
    x = 266,993.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.