Finding the Fourth Proportional to 373,122.10, 515,009.10 and 211,983.94
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Solution
The fourth proportional to 373,122.10, 515,009.10 and 211,983.94 is: 292,594.99
Step by Step Solution
- Step 1: Write the proportion equation
373,122.10 : 515,009.10 = 211,983.94 : x - Step 2: Convert to fraction form
373,122.10/515,009.10 = 211,983.94/x - Step 3: Cross multiply
373,122.10x = 515,009.10 × 211,983.94 - Step 4: Simplify right side
373,122.10x = 109,173,658,153.85 - Step 5: Solve for x
x = 109,173,658,153.85/373,122.10 - Step 6: Final answer
x = 292,594.99
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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.