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Finding the Fourth Proportional to 239,493.09, 330,498.04 and 130,597.15

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Solution

The fourth proportional to 239,493.09, 330,498.04 and 130,597.15 is: 180,222.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,493.09 : 330,498.04 = 130,597.15 : x
  2. Step 2: Convert to fraction form
    239,493.09/330,498.04 = 130,597.15/x
  3. Step 3: Cross multiply
    239,493.09x = 330,498.04 × 130,597.15
  4. Step 4: Simplify right side
    239,493.09x = 43,162,101,451.60
  5. Step 5: Solve for x
    x = 43,162,101,451.60/239,493.09
  6. Step 6: Final answer
    x = 180,222.74

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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.