Finding the Fourth Proportional to 294,177.60, 440,812.80 and 218,944.80
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Solution
The fourth proportional to 294,177.60, 440,812.80 and 218,944.80 is: 328,079.60
Step by Step Solution
- Step 1: Write the proportion equation
294,177.60 : 440,812.80 = 218,944.80 : x - Step 2: Convert to fraction form
294,177.60/440,812.80 = 218,944.80/x - Step 3: Cross multiply
294,177.60x = 440,812.80 × 218,944.80 - Step 4: Simplify right side
294,177.60x = 96,513,670,333.44 - Step 5: Solve for x
x = 96,513,670,333.44/294,177.60 - Step 6: Final answer
x = 328,079.60
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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.