Home / 208,247.15-312,331.01-101,523.98

Finding the Fourth Proportional to 208,247.15, 312,331.01 and 101,523.98

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Solution

The fourth proportional to 208,247.15, 312,331.01 and 101,523.98 is: 152,266.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,247.15 : 312,331.01 = 101,523.98 : x
  2. Step 2: Convert to fraction form
    208,247.15/312,331.01 = 101,523.98/x
  3. Step 3: Cross multiply
    208,247.15x = 312,331.01 × 101,523.98
  4. Step 4: Simplify right side
    208,247.15x = 31,709,087,485.83
  5. Step 5: Solve for x
    x = 31,709,087,485.83/208,247.15
  6. Step 6: Final answer
    x = 152,266.61

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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.