Finding the Fourth Proportional to 202,835.40, 304,224.30 and 69,721.80
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Solution
The fourth proportional to 202,835.40, 304,224.30 and 69,721.80 is: 104,572.80
Step by Step Solution
- Step 1: Write the proportion equation
202,835.40 : 304,224.30 = 69,721.80 : x - Step 2: Convert to fraction form
202,835.40/304,224.30 = 69,721.80/x - Step 3: Cross multiply
202,835.40x = 304,224.30 × 69,721.80 - Step 4: Simplify right side
202,835.40x = 21,211,065,799.74 - Step 5: Solve for x
x = 21,211,065,799.74/202,835.40 - Step 6: Final answer
x = 104,572.80
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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.