Home / 220,507.09-330,344.28-130,280.58

Finding the Fourth Proportional to 220,507.09, 330,344.28 and 130,280.58

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Solution

The fourth proportional to 220,507.09, 330,344.28 and 130,280.58 is: 195,174.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,507.09 : 330,344.28 = 130,280.58 : x
  2. Step 2: Convert to fraction form
    220,507.09/330,344.28 = 130,280.58/x
  3. Step 3: Cross multiply
    220,507.09x = 330,344.28 × 130,280.58
  4. Step 4: Simplify right side
    220,507.09x = 43,037,444,398.08
  5. Step 5: Solve for x
    x = 43,037,444,398.08/220,507.09
  6. Step 6: Final answer
    x = 195,174.88

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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.