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Finding the Fourth Proportional to 175,261.60, 262,892.40 and 128,605.60

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Solution

The fourth proportional to 175,261.60, 262,892.40 and 128,605.60 is: 192,908.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,261.60 : 262,892.40 = 128,605.60 : x
  2. Step 2: Convert to fraction form
    175,261.60/262,892.40 = 128,605.60/x
  3. Step 3: Cross multiply
    175,261.60x = 262,892.40 × 128,605.60
  4. Step 4: Simplify right side
    175,261.60x = 33,809,434,837.44
  5. Step 5: Solve for x
    x = 33,809,434,837.44/175,261.60
  6. Step 6: Final answer
    x = 192,908.40

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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.