Finding the Fourth Proportional to 202,458.70, 303,937.65 and 127,578.70
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Solution
The fourth proportional to 202,458.70, 303,937.65 and 127,578.70 is: 191,525.33
Step by Step Solution
- Step 1: Write the proportion equation
202,458.70 : 303,937.65 = 127,578.70 : x - Step 2: Convert to fraction form
202,458.70/303,937.65 = 127,578.70/x - Step 3: Cross multiply
202,458.70x = 303,937.65 × 127,578.70 - Step 4: Simplify right side
202,458.70x = 38,775,970,268.06 - Step 5: Solve for x
x = 38,775,970,268.06/202,458.70 - Step 6: Final answer
x = 191,525.33
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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.