Finding the Fourth Proportional to 155,444.75, 214,513.76 and 88,376.75
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Solution
The fourth proportional to 155,444.75, 214,513.76 and 88,376.75 is: 121,959.92
Step by Step Solution
- Step 1: Write the proportion equation
155,444.75 : 214,513.76 = 88,376.75 : x - Step 2: Convert to fraction form
155,444.75/214,513.76 = 88,376.75/x - Step 3: Cross multiply
155,444.75x = 214,513.76 × 88,376.75 - Step 4: Simplify right side
155,444.75x = 18,958,028,939.08 - Step 5: Solve for x
x = 18,958,028,939.08/155,444.75 - Step 6: Final answer
x = 121,959.92
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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.