Finding the Fourth Proportional to 230,591.01, 318,216.03 and 128,623.08
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Solution
The fourth proportional to 230,591.01, 318,216.03 and 128,623.08 is: 177,500.09
Step by Step Solution
- Step 1: Write the proportion equation
230,591.01 : 318,216.03 = 128,623.08 : x - Step 2: Convert to fraction form
230,591.01/318,216.03 = 128,623.08/x - Step 3: Cross multiply
230,591.01x = 318,216.03 × 128,623.08 - Step 4: Simplify right side
230,591.01x = 40,929,925,883.97 - Step 5: Solve for x
x = 40,929,925,883.97/230,591.01 - Step 6: Final answer
x = 177,500.09
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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.