Home / 268,968.60-403,280.10-111,259.80

Finding the Fourth Proportional to 268,968.60, 403,280.10 and 111,259.80

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Solution

The fourth proportional to 268,968.60, 403,280.10 and 111,259.80 is: 166,818.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,968.60 : 403,280.10 = 111,259.80 : x
  2. Step 2: Convert to fraction form
    268,968.60/403,280.10 = 111,259.80/x
  3. Step 3: Cross multiply
    268,968.60x = 403,280.10 × 111,259.80
  4. Step 4: Simplify right side
    268,968.60x = 44,868,863,269.98
  5. Step 5: Solve for x
    x = 44,868,863,269.98/268,968.60
  6. Step 6: Final answer
    x = 166,818.22

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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.