Home / 379,692.08-523,997.52-218,543.12

Finding the Fourth Proportional to 379,692.08, 523,997.52 and 218,543.12

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Solution

The fourth proportional to 379,692.08, 523,997.52 and 218,543.12 is: 301,602.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,692.08 : 523,997.52 = 218,543.12 : x
  2. Step 2: Convert to fraction form
    379,692.08/523,997.52 = 218,543.12/x
  3. Step 3: Cross multiply
    379,692.08x = 523,997.52 × 218,543.12
  4. Step 4: Simplify right side
    379,692.08x = 114,516,052,893.06
  5. Step 5: Solve for x
    x = 114,516,052,893.06/379,692.08
  6. Step 6: Final answer
    x = 301,602.43

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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.