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Finding the Fourth Proportional to 239,494.80, 330,524.94 and 137,533.62

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Solution

The fourth proportional to 239,494.80, 330,524.94 and 137,533.62 is: 189,809.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,494.80 : 330,524.94 = 137,533.62 : x
  2. Step 2: Convert to fraction form
    239,494.80/330,524.94 = 137,533.62/x
  3. Step 3: Cross multiply
    239,494.80x = 330,524.94 × 137,533.62
  4. Step 4: Simplify right side
    239,494.80x = 45,458,291,498.48
  5. Step 5: Solve for x
    x = 45,458,291,498.48/239,494.80
  6. Step 6: Final answer
    x = 189,809.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.