Home / 260,983.28-360,072.72-153,579.70

Finding the Fourth Proportional to 260,983.28, 360,072.72 and 153,579.70

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Solution

The fourth proportional to 260,983.28, 360,072.72 and 153,579.70 is: 211,890.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,983.28 : 360,072.72 = 153,579.70 : x
  2. Step 2: Convert to fraction form
    260,983.28/360,072.72 = 153,579.70/x
  3. Step 3: Cross multiply
    260,983.28x = 360,072.72 × 153,579.70
  4. Step 4: Simplify right side
    260,983.28x = 55,299,860,315.78
  5. Step 5: Solve for x
    x = 55,299,860,315.78/260,983.28
  6. Step 6: Final answer
    x = 211,890.43

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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.