Finding the Fourth Proportional to 209,268.06, 288,783.99 and 113,772.54
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Solution
The fourth proportional to 209,268.06, 288,783.99 and 113,772.54 is: 157,002.88
Step by Step Solution
- Step 1: Write the proportion equation
209,268.06 : 288,783.99 = 113,772.54 : x - Step 2: Convert to fraction form
209,268.06/288,783.99 = 113,772.54/x - Step 3: Cross multiply
209,268.06x = 288,783.99 × 113,772.54 - Step 4: Simplify right side
209,268.06x = 32,855,688,053.63 - Step 5: Solve for x
x = 32,855,688,053.63/209,268.06 - Step 6: Final answer
x = 157,002.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.