Finding the Fourth Proportional to 235,398.32, 324,845.86 and 127,971.06
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Solution
The fourth proportional to 235,398.32, 324,845.86 and 127,971.06 is: 176,597.99
Step by Step Solution
- Step 1: Write the proportion equation
235,398.32 : 324,845.86 = 127,971.06 : x - Step 2: Convert to fraction form
235,398.32/324,845.86 = 127,971.06/x - Step 3: Cross multiply
235,398.32x = 324,845.86 × 127,971.06 - Step 4: Simplify right side
235,398.32x = 41,570,869,040.81 - Step 5: Solve for x
x = 41,570,869,040.81/235,398.32 - Step 6: Final answer
x = 176,597.99
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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.