Finding the Fourth Proportional to 233,412.95, 321,431.93 and 202,772.07
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Solution
The fourth proportional to 233,412.95, 321,431.93 and 202,772.07 is: 279,236.51
Step by Step Solution
- Step 1: Write the proportion equation
233,412.95 : 321,431.93 = 202,772.07 : x - Step 2: Convert to fraction form
233,412.95/321,431.93 = 202,772.07/x - Step 3: Cross multiply
233,412.95x = 321,431.93 × 202,772.07 - Step 4: Simplify right side
233,412.95x = 65,177,417,556.73 - Step 5: Solve for x
x = 65,177,417,556.73/233,412.95 - Step 6: Final answer
x = 279,236.51
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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.