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Finding the Fourth Proportional to 360,888, 498,025.44 and 210,085.44

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Solution

The fourth proportional to 360,888, 498,025.44 and 210,085.44 is: 289,917.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,888 : 498,025.44 = 210,085.44 : x
  2. Step 2: Convert to fraction form
    360,888/498,025.44 = 210,085.44/x
  3. Step 3: Cross multiply
    360,888x = 498,025.44 × 210,085.44
  4. Step 4: Simplify right side
    360,888x = 104,627,893,693.59
  5. Step 5: Solve for x
    x = 104,627,893,693.59/360,888
  6. Step 6: Final answer
    x = 289,917.91

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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.