Finding the Fourth Proportional to 1,241,231.51, 1,861,707.84 and 342,800.97
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Solution
The fourth proportional to 1,241,231.51, 1,861,707.84 and 342,800.97 is: 514,162.95
Step by Step Solution
- Step 1: Write the proportion equation
1,241,231.51 : 1,861,707.84 = 342,800.97 : x - Step 2: Convert to fraction form
1,241,231.51/1,861,707.84 = 342,800.97/x - Step 3: Cross multiply
1,241,231.51x = 1,861,707.84 × 342,800.97 - Step 4: Simplify right side
1,241,231.51x = 638,195,253,408.61 - Step 5: Solve for x
x = 638,195,253,408.61/1,241,231.51 - Step 6: Final answer
x = 514,162.95
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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.