Finding the Fourth Proportional to 302,066.97, 416,748.60 and 187,304.28
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Solution
The fourth proportional to 302,066.97, 416,748.60 and 187,304.28 is: 258,415.53
Step by Step Solution
- Step 1: Write the proportion equation
302,066.97 : 416,748.60 = 187,304.28 : x - Step 2: Convert to fraction form
302,066.97/416,748.60 = 187,304.28/x - Step 3: Cross multiply
302,066.97x = 416,748.60 × 187,304.28 - Step 4: Simplify right side
302,066.97x = 78,058,796,464.01 - Step 5: Solve for x
x = 78,058,796,464.01/302,066.97 - Step 6: Final answer
x = 258,415.53
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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.