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Finding the Fourth Proportional to 284,003.60, 426,005.40 and 270,179.60

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Solution

The fourth proportional to 284,003.60, 426,005.40 and 270,179.60 is: 405,269.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,003.60 : 426,005.40 = 270,179.60 : x
  2. Step 2: Convert to fraction form
    284,003.60/426,005.40 = 270,179.60/x
  3. Step 3: Cross multiply
    284,003.60x = 426,005.40 × 270,179.60
  4. Step 4: Simplify right side
    284,003.60x = 115,097,968,569.84
  5. Step 5: Solve for x
    x = 115,097,968,569.84/284,003.60
  6. Step 6: Final answer
    x = 405,269.40

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1.5x scale

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.