Finding the Fourth Proportional to 180,387.14, 248,917.30 and 122,125.36
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Solution
The fourth proportional to 180,387.14, 248,917.30 and 122,125.36 is: 168,521.52
Step by Step Solution
- Step 1: Write the proportion equation
180,387.14 : 248,917.30 = 122,125.36 : x - Step 2: Convert to fraction form
180,387.14/248,917.30 = 122,125.36/x - Step 3: Cross multiply
180,387.14x = 248,917.30 × 122,125.36 - Step 4: Simplify right side
180,387.14x = 30,399,114,872.73 - Step 5: Solve for x
x = 30,399,114,872.73/180,387.14 - Step 6: Final answer
x = 168,521.52
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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.