Finding the Fourth Proportional to 711,163.68, 1,066,663.28 and 178,644.18
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Solution
The fourth proportional to 711,163.68, 1,066,663.28 and 178,644.18 is: 267,945.61
Step by Step Solution
- Step 1: Write the proportion equation
711,163.68 : 1,066,663.28 = 178,644.18 : x - Step 2: Convert to fraction form
711,163.68/1,066,663.28 = 178,644.18/x - Step 3: Cross multiply
711,163.68x = 1,066,663.28 × 178,644.18 - Step 4: Simplify right side
711,163.68x = 190,553,186,991.71 - Step 5: Solve for x
x = 190,553,186,991.71/711,163.68 - Step 6: Final answer
x = 267,945.61
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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.