Finding the Fourth Proportional to 132,812.80, 199,248.36 and 39,325.84
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Solution
The fourth proportional to 132,812.80, 199,248.36 and 39,325.84 is: 58,997.39
Step by Step Solution
- Step 1: Write the proportion equation
132,812.80 : 199,248.36 = 39,325.84 : x - Step 2: Convert to fraction form
132,812.80/199,248.36 = 39,325.84/x - Step 3: Cross multiply
132,812.80x = 199,248.36 × 39,325.84 - Step 4: Simplify right side
132,812.80x = 7,835,609,125.62 - Step 5: Solve for x
x = 7,835,609,125.62/132,812.80 - Step 6: Final answer
x = 58,997.39
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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.