Finding the Fourth Proportional to 99,654.36, 149,517.99 and 46,371.75
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Solution
The fourth proportional to 99,654.36, 149,517.99 and 46,371.75 is: 69,574.59
Step by Step Solution
- Step 1: Write the proportion equation
99,654.36 : 149,517.99 = 46,371.75 : x - Step 2: Convert to fraction form
99,654.36/149,517.99 = 46,371.75/x - Step 3: Cross multiply
99,654.36x = 149,517.99 × 46,371.75 - Step 4: Simplify right side
99,654.36x = 6,933,410,852.78 - Step 5: Solve for x
x = 6,933,410,852.78/99,654.36 - Step 6: Final answer
x = 69,574.59
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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.