Finding the Fourth Proportional to 614,515.28, 921,772.94 and 193,823.96
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Solution
The fourth proportional to 614,515.28, 921,772.94 and 193,823.96 is: 290,735.94
Step by Step Solution
- Step 1: Write the proportion equation
614,515.28 : 921,772.94 = 193,823.96 : x - Step 2: Convert to fraction form
614,515.28/921,772.94 = 193,823.96/x - Step 3: Cross multiply
614,515.28x = 921,772.94 × 193,823.96 - Step 4: Simplify right side
614,515.28x = 178,661,675,873.66 - Step 5: Solve for x
x = 178,661,675,873.66/614,515.28 - Step 6: Final answer
x = 290,735.94
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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.