Finding the Fourth Proportional to 322,602.51, 445,193.79 and 201,812.47
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Solution
The fourth proportional to 322,602.51, 445,193.79 and 201,812.47 is: 278,502.66
Step by Step Solution
- Step 1: Write the proportion equation
322,602.51 : 445,193.79 = 201,812.47 : x - Step 2: Convert to fraction form
322,602.51/445,193.79 = 201,812.47/x - Step 3: Cross multiply
322,602.51x = 445,193.79 × 201,812.47 - Step 4: Simplify right side
322,602.51x = 89,845,658,388.56 - Step 5: Solve for x
x = 89,845,658,388.56/322,602.51 - Step 6: Final answer
x = 278,502.66
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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.