Finding the Fourth Proportional to 548,549.31, 757,068.08 and 306,845.31
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Solution
The fourth proportional to 548,549.31, 757,068.08 and 306,845.31 is: 423,485.70
Step by Step Solution
- Step 1: Write the proportion equation
548,549.31 : 757,068.08 = 306,845.31 : x - Step 2: Convert to fraction form
548,549.31/757,068.08 = 306,845.31/x - Step 3: Cross multiply
548,549.31x = 757,068.08 × 306,845.31 - Step 4: Simplify right side
548,549.31x = 232,302,788,164.48 - Step 5: Solve for x
x = 232,302,788,164.48/548,549.31 - Step 6: Final answer
x = 423,485.70
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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.