Finding the Fourth Proportional to 883,283.20, 1,324,924.80 and 218,435.20
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Solution
The fourth proportional to 883,283.20, 1,324,924.80 and 218,435.20 is: 327,652.80
Step by Step Solution
- Step 1: Write the proportion equation
883,283.20 : 1,324,924.80 = 218,435.20 : x - Step 2: Convert to fraction form
883,283.20/1,324,924.80 = 218,435.20/x - Step 3: Cross multiply
883,283.20x = 1,324,924.80 × 218,435.20 - Step 4: Simplify right side
883,283.20x = 289,410,213,672.96 - Step 5: Solve for x
x = 289,410,213,672.96/883,283.20 - Step 6: Final answer
x = 327,652.80
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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.