Finding the Fourth Proportional to 101,319.82, 151,982.81 and 34,758.99
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Solution
The fourth proportional to 101,319.82, 151,982.81 and 34,758.99 is: 52,139.54
Step by Step Solution
- Step 1: Write the proportion equation
101,319.82 : 151,982.81 = 34,758.99 : x - Step 2: Convert to fraction form
101,319.82/151,982.81 = 34,758.99/x - Step 3: Cross multiply
101,319.82x = 151,982.81 × 34,758.99 - Step 4: Simplify right side
101,319.82x = 5,282,768,972.96 - Step 5: Solve for x
x = 5,282,768,972.96/101,319.82 - Step 6: Final answer
x = 52,139.54
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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.