Finding the Fourth Proportional to 642,526.79, 963,837.97 and 193,211.69
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Solution
The fourth proportional to 642,526.79, 963,837.97 and 193,211.69 is: 289,831.90
Step by Step Solution
- Step 1: Write the proportion equation
642,526.79 : 963,837.97 = 193,211.69 : x - Step 2: Convert to fraction form
642,526.79/963,837.97 = 193,211.69/x - Step 3: Cross multiply
642,526.79x = 963,837.97 × 193,211.69 - Step 4: Simplify right side
642,526.79x = 186,224,757,767.65 - Step 5: Solve for x
x = 186,224,757,767.65/642,526.79 - Step 6: Final answer
x = 289,831.90
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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.