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Finding the Fourth Proportional to 273,485.60, 410,228.40 and 267,341.60

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Solution

The fourth proportional to 273,485.60, 410,228.40 and 267,341.60 is: 401,012.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,485.60 : 410,228.40 = 267,341.60 : x
  2. Step 2: Convert to fraction form
    273,485.60/410,228.40 = 267,341.60/x
  3. Step 3: Cross multiply
    273,485.60x = 410,228.40 × 267,341.60
  4. Step 4: Simplify right side
    273,485.60x = 109,671,116,821.44
  5. Step 5: Solve for x
    x = 109,671,116,821.44/273,485.60
  6. Step 6: Final answer
    x = 401,012.40

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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.