Finding the Fourth Proportional to 372,548.32, 514,102.41 and 211,393.75
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Solution
The fourth proportional to 372,548.32, 514,102.41 and 211,393.75 is: 291,715.28
Step by Step Solution
- Step 1: Write the proportion equation
372,548.32 : 514,102.41 = 211,393.75 : x - Step 2: Convert to fraction form
372,548.32/514,102.41 = 211,393.75/x - Step 3: Cross multiply
372,548.32x = 514,102.41 × 211,393.75 - Step 4: Simplify right side
372,548.32x = 108,678,036,333.94 - Step 5: Solve for x
x = 108,678,036,333.94/372,548.32 - Step 6: Final answer
x = 291,715.28
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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.