Finding the Fourth Proportional to 373,406.58, 515,280.60 and 212,239.26
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Solution
The fourth proportional to 373,406.58, 515,280.60 and 212,239.26 is: 292,878.54
Step by Step Solution
- Step 1: Write the proportion equation
373,406.58 : 515,280.60 = 212,239.26 : x - Step 2: Convert to fraction form
373,406.58/515,280.60 = 212,239.26/x - Step 3: Cross multiply
373,406.58x = 515,280.60 × 212,239.26 - Step 4: Simplify right side
373,406.58x = 109,362,773,236.36 - Step 5: Solve for x
x = 109,362,773,236.36/373,406.58 - Step 6: Final answer
x = 292,878.54
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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.