Finding the Fourth Proportional to 521,843.95, 782,722.18 and 166,762.63
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Solution
The fourth proportional to 521,843.95, 782,722.18 and 166,762.63 is: 250,129.97
Step by Step Solution
- Step 1: Write the proportion equation
521,843.95 : 782,722.18 = 166,762.63 : x - Step 2: Convert to fraction form
521,843.95/782,722.18 = 166,762.63/x - Step 3: Cross multiply
521,843.95x = 782,722.18 × 166,762.63 - Step 4: Simplify right side
521,843.95x = 130,528,809,296.13 - Step 5: Solve for x
x = 130,528,809,296.13/521,843.95 - Step 6: Final answer
x = 250,129.97
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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.