Home / 353,128.20-529,692.30-187,240.20

Finding the Fourth Proportional to 353,128.20, 529,692.30 and 187,240.20

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Solution

The fourth proportional to 353,128.20, 529,692.30 and 187,240.20 is: 280,860.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,128.20 : 529,692.30 = 187,240.20 : x
  2. Step 2: Convert to fraction form
    353,128.20/529,692.30 = 187,240.20/x
  3. Step 3: Cross multiply
    353,128.20x = 529,692.30 × 187,240.20
  4. Step 4: Simplify right side
    353,128.20x = 99,179,692,190.46
  5. Step 5: Solve for x
    x = 99,179,692,190.46/353,128.20
  6. Step 6: Final answer
    x = 280,860.30

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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.