Home / 268,435.08-401,776.25-197,338.86

Finding the Fourth Proportional to 268,435.08, 401,776.25 and 197,338.86

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Solution

The fourth proportional to 268,435.08, 401,776.25 and 197,338.86 is: 295,364.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,435.08 : 401,776.25 = 197,338.86 : x
  2. Step 2: Convert to fraction form
    268,435.08/401,776.25 = 197,338.86/x
  3. Step 3: Cross multiply
    268,435.08x = 401,776.25 × 197,338.86
  4. Step 4: Simplify right side
    268,435.08x = 79,286,066,163.38
  5. Step 5: Solve for x
    x = 79,286,066,163.38/268,435.08
  6. Step 6: Final answer
    x = 295,364.03

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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.