Finding the Fourth Proportional to 548,696.13, 757,230.07 and 306,964.28
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Solution
The fourth proportional to 548,696.13, 757,230.07 and 306,964.28 is: 423,627.17
Step by Step Solution
- Step 1: Write the proportion equation
548,696.13 : 757,230.07 = 306,964.28 : x - Step 2: Convert to fraction form
548,696.13/757,230.07 = 306,964.28/x - Step 3: Cross multiply
548,696.13x = 757,230.07 × 306,964.28 - Step 4: Simplify right side
548,696.13x = 232,442,584,933.12 - Step 5: Solve for x
x = 232,442,584,933.12/548,696.13 - Step 6: Final answer
x = 423,627.17
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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.