Finding the Fourth Proportional to 202,805.86, 304,215.78 and 69,684.99
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Solution
The fourth proportional to 202,805.86, 304,215.78 and 69,684.99 is: 104,529.89
Step by Step Solution
- Step 1: Write the proportion equation
202,805.86 : 304,215.78 = 69,684.99 : x - Step 2: Convert to fraction form
202,805.86/304,215.78 = 69,684.99/x - Step 3: Cross multiply
202,805.86x = 304,215.78 × 69,684.99 - Step 4: Simplify right side
202,805.86x = 21,199,273,587.14 - Step 5: Solve for x
x = 21,199,273,587.14/202,805.86 - Step 6: Final answer
x = 104,529.89
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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.