Home / 397,692.59-596,632.28-131,453.09

Finding the Fourth Proportional to 397,692.59, 596,632.28 and 131,453.09

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Solution

The fourth proportional to 397,692.59, 596,632.28 and 131,453.09 is: 197,210.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,692.59 : 596,632.28 = 131,453.09 : x
  2. Step 2: Convert to fraction form
    397,692.59/596,632.28 = 131,453.09/x
  3. Step 3: Cross multiply
    397,692.59x = 596,632.28 × 131,453.09
  4. Step 4: Simplify right side
    397,692.59x = 78,429,157,634.06
  5. Step 5: Solve for x
    x = 78,429,157,634.06/397,692.59
  6. Step 6: Final answer
    x = 197,210.51

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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.