Finding the Fourth Proportional to 614,424.30, 921,766.05 and 193,742.70
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Solution
The fourth proportional to 614,424.30, 921,766.05 and 193,742.70 is: 290,654.92
Step by Step Solution
- Step 1: Write the proportion equation
614,424.30 : 921,766.05 = 193,742.70 : x - Step 2: Convert to fraction form
614,424.30/921,766.05 = 193,742.70/x - Step 3: Cross multiply
614,424.30x = 921,766.05 × 193,742.70 - Step 4: Simplify right side
614,424.30x = 178,585,443,295.34 - Step 5: Solve for x
x = 178,585,443,295.34/614,424.30 - Step 6: Final answer
x = 290,654.92
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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.