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Finding the Fourth Proportional to 215,326.94, 296,843.24 and 151,466.54

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Solution

The fourth proportional to 215,326.94, 296,843.24 and 151,466.54 is: 208,807.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,326.94 : 296,843.24 = 151,466.54 : x
  2. Step 2: Convert to fraction form
    215,326.94/296,843.24 = 151,466.54/x
  3. Step 3: Cross multiply
    215,326.94x = 296,843.24 × 151,466.54
  4. Step 4: Simplify right side
    215,326.94x = 44,961,818,485.19
  5. Step 5: Solve for x
    x = 44,961,818,485.19/215,326.94
  6. Step 6: Final answer
    x = 208,807.21

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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.