Finding the Fourth Proportional to 368,161.08, 552,212.43 and 131,479.08
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Solution
The fourth proportional to 368,161.08, 552,212.43 and 131,479.08 is: 197,208.20
Step by Step Solution
- Step 1: Write the proportion equation
368,161.08 : 552,212.43 = 131,479.08 : x - Step 2: Convert to fraction form
368,161.08/552,212.43 = 131,479.08/x - Step 3: Cross multiply
368,161.08x = 552,212.43 × 131,479.08 - Step 4: Simplify right side
368,161.08x = 72,604,382,260.96 - Step 5: Solve for x
x = 72,604,382,260.96/368,161.08 - Step 6: Final answer
x = 197,208.20
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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.