Finding the Fourth Proportional to 135,965.29, 203,926.86 and 69,454.57
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Solution
The fourth proportional to 135,965.29, 203,926.86 and 69,454.57 is: 104,171.09
Step by Step Solution
- Step 1: Write the proportion equation
135,965.29 : 203,926.86 = 69,454.57 : x - Step 2: Convert to fraction form
135,965.29/203,926.86 = 69,454.57/x - Step 3: Cross multiply
135,965.29x = 203,926.86 × 69,454.57 - Step 4: Simplify right side
135,965.29x = 14,163,652,372.75 - Step 5: Solve for x
x = 14,163,652,372.75/135,965.29 - Step 6: Final answer
x = 104,171.09
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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.