Finding the Fourth Proportional to 542,668.68, 813,993.30 and 222,751.08
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Solution
The fourth proportional to 542,668.68, 813,993.30 and 222,751.08 is: 334,122.63
Step by Step Solution
- Step 1: Write the proportion equation
542,668.68 : 813,993.30 = 222,751.08 : x - Step 2: Convert to fraction form
542,668.68/813,993.30 = 222,751.08/x - Step 3: Cross multiply
542,668.68x = 813,993.30 × 222,751.08 - Step 4: Simplify right side
542,668.68x = 181,317,886,687.76 - Step 5: Solve for x
x = 181,317,886,687.76/542,668.68 - Step 6: Final answer
x = 334,122.63
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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.