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Finding the Fourth Proportional to 334,399.56, 501,615.76 and 134,692.98

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Solution

The fourth proportional to 334,399.56, 501,615.76 and 134,692.98 is: 202,046.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,399.56 : 501,615.76 = 134,692.98 : x
  2. Step 2: Convert to fraction form
    334,399.56/501,615.76 = 134,692.98/x
  3. Step 3: Cross multiply
    334,399.56x = 501,615.76 × 134,692.98
  4. Step 4: Simplify right side
    334,399.56x = 67,564,121,529.36
  5. Step 5: Solve for x
    x = 67,564,121,529.36/334,399.56
  6. Step 6: Final answer
    x = 202,046.08

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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.