Finding the Fourth Proportional to 235,412.82, 324,876.06 and 127,990.26
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Solution
The fourth proportional to 235,412.82, 324,876.06 and 127,990.26 is: 176,630.02
Step by Step Solution
- Step 1: Write the proportion equation
235,412.82 : 324,876.06 = 127,990.26 : x - Step 2: Convert to fraction form
235,412.82/324,876.06 = 127,990.26/x - Step 3: Cross multiply
235,412.82x = 324,876.06 × 127,990.26 - Step 4: Simplify right side
235,412.82x = 41,580,971,387.18 - Step 5: Solve for x
x = 41,580,971,387.18/235,412.82 - Step 6: Final answer
x = 176,630.02
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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.