Finding the Fourth Proportional to 328,203.17, 492,260.99 and 91,526.03
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Solution
The fourth proportional to 328,203.17, 492,260.99 and 91,526.03 is: 137,276.84
Step by Step Solution
- Step 1: Write the proportion equation
328,203.17 : 492,260.99 = 91,526.03 : x - Step 2: Convert to fraction form
328,203.17/492,260.99 = 91,526.03/x - Step 3: Cross multiply
328,203.17x = 492,260.99 × 91,526.03 - Step 4: Simplify right side
328,203.17x = 45,054,691,906.08 - Step 5: Solve for x
x = 45,054,691,906.08/328,203.17 - Step 6: Final answer
x = 137,276.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.