Finding the Fourth Proportional to 328,211.22, 492,272.97 and 91,534.08
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Solution
The fourth proportional to 328,211.22, 492,272.97 and 91,534.08 is: 137,288.89
Step by Step Solution
- Step 1: Write the proportion equation
328,211.22 : 492,272.97 = 91,534.08 : x - Step 2: Convert to fraction form
328,211.22/492,272.97 = 91,534.08/x - Step 3: Cross multiply
328,211.22x = 492,272.97 × 91,534.08 - Step 4: Simplify right side
328,211.22x = 45,059,753,417.82 - Step 5: Solve for x
x = 45,059,753,417.82/328,211.22 - Step 6: Final answer
x = 137,288.89
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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.