Finding the Fourth Proportional to 373,420.98, 515,232.36 and 212,263.38
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Solution
The fourth proportional to 373,420.98, 515,232.36 and 212,263.38 is: 292,873.11
Step by Step Solution
- Step 1: Write the proportion equation
373,420.98 : 515,232.36 = 212,263.38 : x - Step 2: Convert to fraction form
373,420.98/515,232.36 = 212,263.38/x - Step 3: Cross multiply
373,420.98x = 515,232.36 × 212,263.38 - Step 4: Simplify right side
373,420.98x = 109,364,962,218.98 - Step 5: Solve for x
x = 109,364,962,218.98/373,420.98 - Step 6: Final answer
x = 292,873.11
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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.