Finding the Fourth Proportional to 235,349.25, 324,783.93 and 127,919.26
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Solution
The fourth proportional to 235,349.25, 324,783.93 and 127,919.26 is: 176,529.65
Step by Step Solution
- Step 1: Write the proportion equation
235,349.25 : 324,783.93 = 127,919.26 : x - Step 2: Convert to fraction form
235,349.25/324,783.93 = 127,919.26/x - Step 3: Cross multiply
235,349.25x = 324,783.93 × 127,919.26 - Step 4: Simplify right side
235,349.25x = 41,546,119,985.49 - Step 5: Solve for x
x = 41,546,119,985.49/235,349.25 - Step 6: Final answer
x = 176,529.65
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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.