Finding the Fourth Proportional to 675,718.20, 1,013,278.41 and 202,315.32
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Solution
The fourth proportional to 675,718.20, 1,013,278.41 and 202,315.32 is: 303,383.49
Step by Step Solution
- Step 1: Write the proportion equation
675,718.20 : 1,013,278.41 = 202,315.32 : x - Step 2: Convert to fraction form
675,718.20/1,013,278.41 = 202,315.32/x - Step 3: Cross multiply
675,718.20x = 1,013,278.41 × 202,315.32 - Step 4: Simplify right side
675,718.20x = 205,001,745,768.24 - Step 5: Solve for x
x = 205,001,745,768.24/675,718.20 - Step 6: Final answer
x = 303,383.49
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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.