Finding the Fourth Proportional to 235,102.74, 324,541.09 and 158,725.28
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Solution
The fourth proportional to 235,102.74, 324,541.09 and 158,725.28 is: 219,107.93
Step by Step Solution
- Step 1: Write the proportion equation
235,102.74 : 324,541.09 = 158,725.28 : x - Step 2: Convert to fraction form
235,102.74/324,541.09 = 158,725.28/x - Step 3: Cross multiply
235,102.74x = 324,541.09 × 158,725.28 - Step 4: Simplify right side
235,102.74x = 51,512,875,796.29 - Step 5: Solve for x
x = 51,512,875,796.29/235,102.74 - Step 6: Final answer
x = 219,107.93
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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.