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Finding the Fourth Proportional to 269,153.40, 403,730.10 and 169,620.60

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Solution

The fourth proportional to 269,153.40, 403,730.10 and 169,620.60 is: 254,430.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,153.40 : 403,730.10 = 169,620.60 : x
  2. Step 2: Convert to fraction form
    269,153.40/403,730.10 = 169,620.60/x
  3. Step 3: Cross multiply
    269,153.40x = 403,730.10 × 169,620.60
  4. Step 4: Simplify right side
    269,153.40x = 68,480,941,800.06
  5. Step 5: Solve for x
    x = 68,480,941,800.06/269,153.40
  6. Step 6: Final answer
    x = 254,430.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.