Home / 476,196.18-657,163.50-261,343.86

Finding the Fourth Proportional to 476,196.18, 657,163.50 and 261,343.86

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Solution

The fourth proportional to 476,196.18, 657,163.50 and 261,343.86 is: 360,661.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,196.18 : 657,163.50 = 261,343.86 : x
  2. Step 2: Convert to fraction form
    476,196.18/657,163.50 = 261,343.86/x
  3. Step 3: Cross multiply
    476,196.18x = 657,163.50 × 261,343.86
  4. Step 4: Simplify right side
    476,196.18x = 171,745,645,741.11
  5. Step 5: Solve for x
    x = 171,745,645,741.11/476,196.18
  6. Step 6: Final answer
    x = 360,661.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.