Finding the Fourth Proportional to 407,081.08, 561,772.02 and 228,233.08
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Solution
The fourth proportional to 407,081.08, 561,772.02 and 228,233.08 is: 314,961.72
Step by Step Solution
- Step 1: Write the proportion equation
407,081.08 : 561,772.02 = 228,233.08 : x - Step 2: Convert to fraction form
407,081.08/561,772.02 = 228,233.08/x - Step 3: Cross multiply
407,081.08x = 561,772.02 × 228,233.08 - Step 4: Simplify right side
407,081.08x = 128,214,958,382.42 - Step 5: Solve for x
x = 128,214,958,382.42/407,081.08 - Step 6: Final answer
x = 314,961.72
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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.