Finding the Fourth Proportional to 498,749.18, 748,283.15 and 178,684.97
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Solution
The fourth proportional to 498,749.18, 748,283.15 and 178,684.97 is: 268,084.56
Step by Step Solution
- Step 1: Write the proportion equation
498,749.18 : 748,283.15 = 178,684.97 : x - Step 2: Convert to fraction form
498,749.18/748,283.15 = 178,684.97/x - Step 3: Cross multiply
498,749.18x = 748,283.15 × 178,684.97 - Step 4: Simplify right side
498,749.18x = 133,706,953,186.54 - Step 5: Solve for x
x = 133,706,953,186.54/498,749.18 - Step 6: Final answer
x = 268,084.56
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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.