Finding the Fourth Proportional to 728,211.05, 1,092,314.97 and 195,732.06
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Solution
The fourth proportional to 728,211.05, 1,092,314.97 and 195,732.06 is: 293,597.66
Step by Step Solution
- Step 1: Write the proportion equation
728,211.05 : 1,092,314.97 = 195,732.06 : x - Step 2: Convert to fraction form
728,211.05/1,092,314.97 = 195,732.06/x - Step 3: Cross multiply
728,211.05x = 1,092,314.97 × 195,732.06 - Step 4: Simplify right side
728,211.05x = 213,801,059,246.94 - Step 5: Solve for x
x = 213,801,059,246.94/728,211.05 - Step 6: Final answer
x = 293,597.66
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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.