Finding the Fourth Proportional to 397,982.77, 549,219.99 and 228,184.09
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Solution
The fourth proportional to 397,982.77, 549,219.99 and 228,184.09 is: 314,896.20
Step by Step Solution
- Step 1: Write the proportion equation
397,982.77 : 549,219.99 = 228,184.09 : x - Step 2: Convert to fraction form
397,982.77/549,219.99 = 228,184.09/x - Step 3: Cross multiply
397,982.77x = 549,219.99 × 228,184.09 - Step 4: Simplify right side
397,982.77x = 125,323,263,110.60 - Step 5: Solve for x
x = 125,323,263,110.60/397,982.77 - Step 6: Final answer
x = 314,896.20
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1.5x scale
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.