Finding the Fourth Proportional to 253,845.09, 350,320.95 and 146,419.65
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Solution
The fourth proportional to 253,845.09, 350,320.95 and 146,419.65 is: 202,067.61
Step by Step Solution
- Step 1: Write the proportion equation
253,845.09 : 350,320.95 = 146,419.65 : x - Step 2: Convert to fraction form
253,845.09/350,320.95 = 146,419.65/x - Step 3: Cross multiply
253,845.09x = 350,320.95 × 146,419.65 - Step 4: Simplify right side
253,845.09x = 51,293,870,886.67 - Step 5: Solve for x
x = 51,293,870,886.67/253,845.09 - Step 6: Final answer
x = 202,067.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.