Home / 208,511.85-312,767.77-180,348.24

Finding the Fourth Proportional to 208,511.85, 312,767.77 and 180,348.24

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Solution

The fourth proportional to 208,511.85, 312,767.77 and 180,348.24 is: 270,522.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,511.85 : 312,767.77 = 180,348.24 : x
  2. Step 2: Convert to fraction form
    208,511.85/312,767.77 = 180,348.24/x
  3. Step 3: Cross multiply
    208,511.85x = 312,767.77 × 180,348.24
  4. Step 4: Simplify right side
    208,511.85x = 56,407,116,555.20
  5. Step 5: Solve for x
    x = 56,407,116,555.20/208,511.85
  6. Step 6: Final answer
    x = 270,522.36

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1.5x scale

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.