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Finding the Fourth Proportional to 175,304.59, 262,866.74 and 80,453.12

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Solution

The fourth proportional to 175,304.59, 262,866.74 and 80,453.12 is: 120,638.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,304.59 : 262,866.74 = 80,453.12 : x
  2. Step 2: Convert to fraction form
    175,304.59/262,866.74 = 80,453.12/x
  3. Step 3: Cross multiply
    175,304.59x = 262,866.74 × 80,453.12
  4. Step 4: Simplify right side
    175,304.59x = 21,148,447,660.63
  5. Step 5: Solve for x
    x = 21,148,447,660.63/175,304.59
  6. Step 6: Final answer
    x = 120,638.30

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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.