Finding the Fourth Proportional to 373,380.08, 515,310.80 and 228,155.99
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Solution
The fourth proportional to 373,380.08, 515,310.80 and 228,155.99 is: 314,883.55
Step by Step Solution
- Step 1: Write the proportion equation
373,380.08 : 515,310.80 = 228,155.99 : x - Step 2: Convert to fraction form
373,380.08/515,310.80 = 228,155.99/x - Step 3: Cross multiply
373,380.08x = 515,310.80 × 228,155.99 - Step 4: Simplify right side
373,380.08x = 117,571,242,014.36 - Step 5: Solve for x
x = 117,571,242,014.36/373,380.08 - Step 6: Final answer
x = 314,883.55
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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.