Finding the Fourth Proportional to 608,548.68, 912,972.60 and 209,194.92
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Solution
The fourth proportional to 608,548.68, 912,972.60 and 209,194.92 is: 313,843.80
Step by Step Solution
- Step 1: Write the proportion equation
608,548.68 : 912,972.60 = 209,194.92 : x - Step 2: Convert to fraction form
608,548.68/912,972.60 = 209,194.92/x - Step 3: Cross multiply
608,548.68x = 912,972.60 × 209,194.92 - Step 4: Simplify right side
608,548.68x = 190,989,230,019.19 - Step 5: Solve for x
x = 190,989,230,019.19/608,548.68 - Step 6: Final answer
x = 313,843.80
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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.