Finding the Fourth Proportional to 657,055.68, 985,705.16 and 207,889.62
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Solution
The fourth proportional to 657,055.68, 985,705.16 and 207,889.62 is: 311,872.92
Step by Step Solution
- Step 1: Write the proportion equation
657,055.68 : 985,705.16 = 207,889.62 : x - Step 2: Convert to fraction form
657,055.68/985,705.16 = 207,889.62/x - Step 3: Cross multiply
657,055.68x = 985,705.16 × 207,889.62 - Step 4: Simplify right side
657,055.68x = 204,917,871,144.44 - Step 5: Solve for x
x = 204,917,871,144.44/657,055.68 - Step 6: Final answer
x = 311,872.92
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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.