Home / 208,254.36-312,378.78-50,484.24

Finding the Fourth Proportional to 208,254.36, 312,378.78 and 50,484.24

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Solution

The fourth proportional to 208,254.36, 312,378.78 and 50,484.24 is: 75,725.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,254.36 : 312,378.78 = 50,484.24 : x
  2. Step 2: Convert to fraction form
    208,254.36/312,378.78 = 50,484.24/x
  3. Step 3: Cross multiply
    208,254.36x = 312,378.78 × 50,484.24
  4. Step 4: Simplify right side
    208,254.36x = 15,770,205,300.43
  5. Step 5: Solve for x
    x = 15,770,205,300.43/208,254.36
  6. Step 6: Final answer
    x = 75,725.69

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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.