Home / 272,022.40-408,167.70-122,368.60

Finding the Fourth Proportional to 272,022.40, 408,167.70 and 122,368.60

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Solution

The fourth proportional to 272,022.40, 408,167.70 and 122,368.60 is: 183,613.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,022.40 : 408,167.70 = 122,368.60 : x
  2. Step 2: Convert to fraction form
    272,022.40/408,167.70 = 122,368.60/x
  3. Step 3: Cross multiply
    272,022.40x = 408,167.70 × 122,368.60
  4. Step 4: Simplify right side
    272,022.40x = 49,946,910,014.22
  5. Step 5: Solve for x
    x = 49,946,910,014.22/272,022.40
  6. Step 6: Final answer
    x = 183,613.22

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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.