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Finding the Fourth Proportional to 368,182.88, 552,336.59 and 188,346.38

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Solution

The fourth proportional to 368,182.88, 552,336.59 and 188,346.38 is: 282,551.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,182.88 : 552,336.59 = 188,346.38 : x
  2. Step 2: Convert to fraction form
    368,182.88/552,336.59 = 188,346.38/x
  3. Step 3: Cross multiply
    368,182.88x = 552,336.59 × 188,346.38
  4. Step 4: Simplify right side
    368,182.88x = 104,030,596,342.19
  5. Step 5: Solve for x
    x = 104,030,596,342.19/368,182.88
  6. Step 6: Final answer
    x = 282,551.43

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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.