Finding the Fourth Proportional to 132,808.75, 199,252.14 and 39,316.93
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Solution
The fourth proportional to 132,808.75, 199,252.14 and 39,316.93 is: 58,986.95
Step by Step Solution
- Step 1: Write the proportion equation
132,808.75 : 199,252.14 = 39,316.93 : x - Step 2: Convert to fraction form
132,808.75/199,252.14 = 39,316.93/x - Step 3: Cross multiply
132,808.75x = 199,252.14 × 39,316.93 - Step 4: Simplify right side
132,808.75x = 7,833,982,440.73 - Step 5: Solve for x
x = 7,833,982,440.73/132,808.75 - Step 6: Final answer
x = 58,986.95
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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.