Home / 210,704.44-315,909.03-77,567.38

Finding the Fourth Proportional to 210,704.44, 315,909.03 and 77,567.38

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Solution

The fourth proportional to 210,704.44, 315,909.03 and 77,567.38 is: 116,296.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,704.44 : 315,909.03 = 77,567.38 : x
  2. Step 2: Convert to fraction form
    210,704.44/315,909.03 = 77,567.38/x
  3. Step 3: Cross multiply
    210,704.44x = 315,909.03 × 77,567.38
  4. Step 4: Simplify right side
    210,704.44x = 24,504,235,775.44
  5. Step 5: Solve for x
    x = 24,504,235,775.44/210,704.44
  6. Step 6: Final answer
    x = 116,296.72

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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.