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Finding the Fourth Proportional to 223,692.55, 335,549.22 and 63,779.35

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Solution

The fourth proportional to 223,692.55, 335,549.22 and 63,779.35 is: 95,671.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,692.55 : 335,549.22 = 63,779.35 : x
  2. Step 2: Convert to fraction form
    223,692.55/335,549.22 = 63,779.35/x
  3. Step 3: Cross multiply
    223,692.55x = 335,549.22 × 63,779.35
  4. Step 4: Simplify right side
    223,692.55x = 21,401,111,144.61
  5. Step 5: Solve for x
    x = 21,401,111,144.61/223,692.55
  6. Step 6: Final answer
    x = 95,671.99

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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.