Home / 208,187.66-312,282.30-50,416.26

Finding the Fourth Proportional to 208,187.66, 312,282.30 and 50,416.26

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Solution

The fourth proportional to 208,187.66, 312,282.30 and 50,416.26 is: 75,624.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,187.66 : 312,282.30 = 50,416.26 : x
  2. Step 2: Convert to fraction form
    208,187.66/312,282.30 = 50,416.26/x
  3. Step 3: Cross multiply
    208,187.66x = 312,282.30 × 50,416.26
  4. Step 4: Simplify right side
    208,187.66x = 15,744,105,630.20
  5. Step 5: Solve for x
    x = 15,744,105,630.20/208,187.66
  6. Step 6: Final answer
    x = 75,624.59

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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.