Finding the Fourth Proportional to 697,351.68, 1,046,022.66 and 198,715.68
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Solution
The fourth proportional to 697,351.68, 1,046,022.66 and 198,715.68 is: 298,072.14
Step by Step Solution
- Step 1: Write the proportion equation
697,351.68 : 1,046,022.66 = 198,715.68 : x - Step 2: Convert to fraction form
697,351.68/1,046,022.66 = 198,715.68/x - Step 3: Cross multiply
697,351.68x = 1,046,022.66 × 198,715.68 - Step 4: Simplify right side
697,351.68x = 207,861,104,177.31 - Step 5: Solve for x
x = 207,861,104,177.31/697,351.68 - Step 6: Final answer
x = 298,072.14
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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.