Home / 331,041-456,836.58-180,139.08

Finding the Fourth Proportional to 331,041, 456,836.58 and 180,139.08

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Solution

The fourth proportional to 331,041, 456,836.58 and 180,139.08 is: 248,591.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,041 : 456,836.58 = 180,139.08 : x
  2. Step 2: Convert to fraction form
    331,041/456,836.58 = 180,139.08/x
  3. Step 3: Cross multiply
    331,041x = 456,836.58 × 180,139.08
  4. Step 4: Simplify right side
    331,041x = 82,294,121,231.55
  5. Step 5: Solve for x
    x = 82,294,121,231.55/331,041
  6. Step 6: Final answer
    x = 248,591.93

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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.