Finding the Fourth Proportional to 202,718.40, 304,048.80 and 69,604.80
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Solution
The fourth proportional to 202,718.40, 304,048.80 and 69,604.80 is: 104,397.31
Step by Step Solution
- Step 1: Write the proportion equation
202,718.40 : 304,048.80 = 69,604.80 : x - Step 2: Convert to fraction form
202,718.40/304,048.80 = 69,604.80/x - Step 3: Cross multiply
202,718.40x = 304,048.80 × 69,604.80 - Step 4: Simplify right side
202,718.40x = 21,163,255,914.24 - Step 5: Solve for x
x = 21,163,255,914.24/202,718.40 - Step 6: Final answer
x = 104,397.31
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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.