Finding the Fourth Proportional to 697,717.80, 1,046,576.70 and 192,277.80
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Solution
The fourth proportional to 697,717.80, 1,046,576.70 and 192,277.80 is: 288,416.70
Step by Step Solution
- Step 1: Write the proportion equation
697,717.80 : 1,046,576.70 = 192,277.80 : x - Step 2: Convert to fraction form
697,717.80/1,046,576.70 = 192,277.80/x - Step 3: Cross multiply
697,717.80x = 1,046,576.70 × 192,277.80 - Step 4: Simplify right side
697,717.80x = 201,233,465,407.26 - Step 5: Solve for x
x = 201,233,465,407.26/697,717.80 - Step 6: Final answer
x = 288,416.70
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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.