Finding the Fourth Proportional to 373,266.74, 515,108.08 and 212,122.10
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Solution
The fourth proportional to 373,266.74, 515,108.08 and 212,122.10 is: 292,728.49
Step by Step Solution
- Step 1: Write the proportion equation
373,266.74 : 515,108.08 = 212,122.10 : x - Step 2: Convert to fraction form
373,266.74/515,108.08 = 212,122.10/x - Step 3: Cross multiply
373,266.74x = 515,108.08 × 212,122.10 - Step 4: Simplify right side
373,266.74x = 109,265,807,656.57 - Step 5: Solve for x
x = 109,265,807,656.57/373,266.74 - Step 6: Final answer
x = 292,728.49
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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.