Finding the Fourth Proportional to 302,721.63, 417,755.94 and 175,471.03
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Solution
The fourth proportional to 302,721.63, 417,755.94 and 175,471.03 is: 242,150.07
Step by Step Solution
- Step 1: Write the proportion equation
302,721.63 : 417,755.94 = 175,471.03 : x - Step 2: Convert to fraction form
302,721.63/417,755.94 = 175,471.03/x - Step 3: Cross multiply
302,721.63x = 417,755.94 × 175,471.03 - Step 4: Simplify right side
302,721.63x = 73,304,065,080.42 - Step 5: Solve for x
x = 73,304,065,080.42/302,721.63 - Step 6: Final answer
x = 242,150.07
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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.