Home / 208,278.96-312,369.70-58,533.56

Finding the Fourth Proportional to 208,278.96, 312,369.70 and 58,533.56

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Solution

The fourth proportional to 208,278.96, 312,369.70 and 58,533.56 is: 87,786.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,278.96 : 312,369.70 = 58,533.56 : x
  2. Step 2: Convert to fraction form
    208,278.96/312,369.70 = 58,533.56/x
  3. Step 3: Cross multiply
    208,278.96x = 312,369.70 × 58,533.56
  4. Step 4: Simplify right side
    208,278.96x = 18,284,110,577.13
  5. Step 5: Solve for x
    x = 18,284,110,577.13/208,278.96
  6. Step 6: Final answer
    x = 87,786.64

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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.