Finding the Fourth Proportional to 373,108.58, 514,891.79 and 211,972.70
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Solution
The fourth proportional to 373,108.58, 514,891.79 and 211,972.70 is: 292,523.43
Step by Step Solution
- Step 1: Write the proportion equation
373,108.58 : 514,891.79 = 211,972.70 : x - Step 2: Convert to fraction form
373,108.58/514,891.79 = 211,972.70/x - Step 3: Cross multiply
373,108.58x = 514,891.79 × 211,972.70 - Step 4: Simplify right side
373,108.58x = 109,143,001,060.13 - Step 5: Solve for x
x = 109,143,001,060.13/373,108.58 - Step 6: Final answer
x = 292,523.43
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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.