Finding the Fourth Proportional to 310,855.41, 465,672.94 and 161,193.53
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Solution
The fourth proportional to 310,855.41, 465,672.94 and 161,193.53 is: 241,473.89
Step by Step Solution
- Step 1: Write the proportion equation
310,855.41 : 465,672.94 = 161,193.53 : x - Step 2: Convert to fraction form
310,855.41/465,672.94 = 161,193.53/x - Step 3: Cross multiply
310,855.41x = 465,672.94 × 161,193.53 - Step 4: Simplify right side
310,855.41x = 75,063,465,785.28 - Step 5: Solve for x
x = 75,063,465,785.28/310,855.41 - Step 6: Final answer
x = 241,473.89
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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.