Home / 208,431.27-311,899.52-180,447.59

Finding the Fourth Proportional to 208,431.27, 311,899.52 and 180,447.59

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Solution

The fourth proportional to 208,431.27, 311,899.52 and 180,447.59 is: 270,024.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,431.27 : 311,899.52 = 180,447.59 : x
  2. Step 2: Convert to fraction form
    208,431.27/311,899.52 = 180,447.59/x
  3. Step 3: Cross multiply
    208,431.27x = 311,899.52 × 180,447.59
  4. Step 4: Simplify right side
    208,431.27x = 56,281,517,937.02
  5. Step 5: Solve for x
    x = 56,281,517,937.02/208,431.27
  6. Step 6: Final answer
    x = 270,024.35

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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.