Finding the Fourth Proportional to 202,508.57, 303,805.80 and 69,353.07
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Solution
The fourth proportional to 202,508.57, 303,805.80 and 69,353.07 is: 104,044.31
Step by Step Solution
- Step 1: Write the proportion equation
202,508.57 : 303,805.80 = 69,353.07 : x - Step 2: Convert to fraction form
202,508.57/303,805.80 = 69,353.07/x - Step 3: Cross multiply
202,508.57x = 303,805.80 × 69,353.07 - Step 4: Simplify right side
202,508.57x = 21,069,864,913.81 - Step 5: Solve for x
x = 21,069,864,913.81/202,508.57 - Step 6: Final answer
x = 104,044.31
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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.