Finding the Fourth Proportional to 696,343.80, 1,044,515.70 and 197,707.80
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Solution
The fourth proportional to 696,343.80, 1,044,515.70 and 197,707.80 is: 296,561.70
Step by Step Solution
- Step 1: Write the proportion equation
696,343.80 : 1,044,515.70 = 197,707.80 : x - Step 2: Convert to fraction form
696,343.80/1,044,515.70 = 197,707.80/x - Step 3: Cross multiply
696,343.80x = 1,044,515.70 × 197,707.80 - Step 4: Simplify right side
696,343.80x = 206,508,901,112.46 - Step 5: Solve for x
x = 206,508,901,112.46/696,343.80 - Step 6: Final answer
x = 296,561.70
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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.