Home / 208,202.86-312,303.48-50,431.06

Finding the Fourth Proportional to 208,202.86, 312,303.48 and 50,431.06

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Solution

The fourth proportional to 208,202.86, 312,303.48 and 50,431.06 is: 75,646.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,202.86 : 312,303.48 = 50,431.06 : x
  2. Step 2: Convert to fraction form
    208,202.86/312,303.48 = 50,431.06/x
  3. Step 3: Cross multiply
    208,202.86x = 312,303.48 × 50,431.06
  4. Step 4: Simplify right side
    208,202.86x = 15,749,795,538.09
  5. Step 5: Solve for x
    x = 15,749,795,538.09/208,202.86
  6. Step 6: Final answer
    x = 75,646.39

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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.