Finding the Fourth Proportional to 146,427.40, 219,203.70 and 87,232.60
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Solution
The fourth proportional to 146,427.40, 219,203.70 and 87,232.60 is: 130,588.32
Step by Step Solution
- Step 1: Write the proportion equation
146,427.40 : 219,203.70 = 87,232.60 : x - Step 2: Convert to fraction form
146,427.40/219,203.70 = 87,232.60/x - Step 3: Cross multiply
146,427.40x = 219,203.70 × 87,232.60 - Step 4: Simplify right side
146,427.40x = 19,121,708,680.62 - Step 5: Solve for x
x = 19,121,708,680.62/146,427.40 - Step 6: Final answer
x = 130,588.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.