Finding the Fourth Proportional to 780,177.24, 1,170,309.60 and 219,168
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Solution
The fourth proportional to 780,177.24, 1,170,309.60 and 219,168 is: 328,764.29
Step by Step Solution
- Step 1: Write the proportion equation
780,177.24 : 1,170,309.60 = 219,168 : x - Step 2: Convert to fraction form
780,177.24/1,170,309.60 = 219,168/x - Step 3: Cross multiply
780,177.24x = 1,170,309.60 × 219,168 - Step 4: Simplify right side
780,177.24x = 256,494,414,412.80 - Step 5: Solve for x
x = 256,494,414,412.80/780,177.24 - Step 6: Final answer
x = 328,764.29
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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.