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Finding the Fourth Proportional to 293,344.80, 439,725.60 and 135,297.60

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Solution

The fourth proportional to 293,344.80, 439,725.60 and 135,297.60 is: 202,811.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,344.80 : 439,725.60 = 135,297.60 : x
  2. Step 2: Convert to fraction form
    293,344.80/439,725.60 = 135,297.60/x
  3. Step 3: Cross multiply
    293,344.80x = 439,725.60 × 135,297.60
  4. Step 4: Simplify right side
    293,344.80x = 59,493,818,338.56
  5. Step 5: Solve for x
    x = 59,493,818,338.56/293,344.80
  6. Step 6: Final answer
    x = 202,811.91

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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.