Home / 260,579.28-359,552.64-153,171

Finding the Fourth Proportional to 260,579.28, 359,552.64 and 153,171

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Solution

The fourth proportional to 260,579.28, 359,552.64 and 153,171 is: 211,348.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,579.28 : 359,552.64 = 153,171 : x
  2. Step 2: Convert to fraction form
    260,579.28/359,552.64 = 153,171/x
  3. Step 3: Cross multiply
    260,579.28x = 359,552.64 × 153,171
  4. Step 4: Simplify right side
    260,579.28x = 55,073,037,421.44
  5. Step 5: Solve for x
    x = 55,073,037,421.44/260,579.28
  6. Step 6: Final answer
    x = 211,348.49

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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.