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Finding the Fourth Proportional to 335,312.56, 462,692.55 and 192,064.06

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Solution

The fourth proportional to 335,312.56, 462,692.55 and 192,064.06 is: 265,026.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,312.56 : 462,692.55 = 192,064.06 : x
  2. Step 2: Convert to fraction form
    335,312.56/462,692.55 = 192,064.06/x
  3. Step 3: Cross multiply
    335,312.56x = 462,692.55 × 192,064.06
  4. Step 4: Simplify right side
    335,312.56x = 88,866,609,684.75
  5. Step 5: Solve for x
    x = 88,866,609,684.75/335,312.56
  6. Step 6: Final answer
    x = 265,026.19

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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.