Finding the Fourth Proportional to 217,240.44, 299,803.64 and 121,777.80
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Solution
The fourth proportional to 217,240.44, 299,803.64 and 121,777.80 is: 168,060.00
Step by Step Solution
- Step 1: Write the proportion equation
217,240.44 : 299,803.64 = 121,777.80 : x - Step 2: Convert to fraction form
217,240.44/299,803.64 = 121,777.80/x - Step 3: Cross multiply
217,240.44x = 299,803.64 × 121,777.80 - Step 4: Simplify right side
217,240.44x = 36,509,427,711.19 - Step 5: Solve for x
x = 36,509,427,711.19/217,240.44 - Step 6: Final answer
x = 168,060.00
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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.