Finding the Fourth Proportional to 303,056.97, 418,398.03 and 269,430.09
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Solution
The fourth proportional to 303,056.97, 418,398.03 and 269,430.09 is: 371,973.03
Step by Step Solution
- Step 1: Write the proportion equation
303,056.97 : 418,398.03 = 269,430.09 : x - Step 2: Convert to fraction form
303,056.97/418,398.03 = 269,430.09/x - Step 3: Cross multiply
303,056.97x = 418,398.03 × 269,430.09 - Step 4: Simplify right side
303,056.97x = 112,729,018,878.72 - Step 5: Solve for x
x = 112,729,018,878.72/303,056.97 - Step 6: Final answer
x = 371,973.03
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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.