Finding the Fourth Proportional to 614,448.28, 921,584.94 and 193,669.48
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Solution
The fourth proportional to 614,448.28, 921,584.94 and 193,669.48 is: 290,476.65
Step by Step Solution
- Step 1: Write the proportion equation
614,448.28 : 921,584.94 = 193,669.48 : x - Step 2: Convert to fraction form
614,448.28/921,584.94 = 193,669.48/x - Step 3: Cross multiply
614,448.28x = 921,584.94 × 193,669.48 - Step 4: Simplify right side
614,448.28x = 178,482,876,105.63 - Step 5: Solve for x
x = 178,482,876,105.63/614,448.28 - Step 6: Final answer
x = 290,476.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.