Home / 256,580.30-384,933.21-180,826.64

Finding the Fourth Proportional to 256,580.30, 384,933.21 and 180,826.64

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Solution

The fourth proportional to 256,580.30, 384,933.21 and 180,826.64 is: 271,284.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,580.30 : 384,933.21 = 180,826.64 : x
  2. Step 2: Convert to fraction form
    256,580.30/384,933.21 = 180,826.64/x
  3. Step 3: Cross multiply
    256,580.30x = 384,933.21 × 180,826.64
  4. Step 4: Simplify right side
    256,580.30x = 69,606,177,064.05
  5. Step 5: Solve for x
    x = 69,606,177,064.05/256,580.30
  6. Step 6: Final answer
    x = 271,284.18

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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.