Home / 208,382.37-287,567.72-122,324.38

Finding the Fourth Proportional to 208,382.37, 287,567.72 and 122,324.38

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Solution

The fourth proportional to 208,382.37, 287,567.72 and 122,324.38 is: 168,807.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,382.37 : 287,567.72 = 122,324.38 : x
  2. Step 2: Convert to fraction form
    208,382.37/287,567.72 = 122,324.38/x
  3. Step 3: Cross multiply
    208,382.37x = 287,567.72 × 122,324.38
  4. Step 4: Simplify right side
    208,382.37x = 35,176,542,185.19
  5. Step 5: Solve for x
    x = 35,176,542,185.19/208,382.37
  6. Step 6: Final answer
    x = 168,807.67

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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.