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Finding the Fourth Proportional to 368,182.69, 552,336.31 and 188,346.19

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Solution

The fourth proportional to 368,182.69, 552,336.31 and 188,346.19 is: 282,551.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,182.69 : 552,336.31 = 188,346.19 : x
  2. Step 2: Convert to fraction form
    368,182.69/552,336.31 = 188,346.19/x
  3. Step 3: Cross multiply
    368,182.69x = 552,336.31 × 188,346.19
  4. Step 4: Simplify right side
    368,182.69x = 104,030,439,806.71
  5. Step 5: Solve for x
    x = 104,030,439,806.71/368,182.69
  6. Step 6: Final answer
    x = 282,551.14

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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.