Finding the Fourth Proportional to 114,661.83, 158,308.26 and 74,490.08
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Solution
The fourth proportional to 114,661.83, 158,308.26 and 74,490.08 is: 102,844.99
Step by Step Solution
- Step 1: Write the proportion equation
114,661.83 : 158,308.26 = 74,490.08 : x - Step 2: Convert to fraction form
114,661.83/158,308.26 = 74,490.08/x - Step 3: Cross multiply
114,661.83x = 158,308.26 × 74,490.08 - Step 4: Simplify right side
114,661.83x = 11,792,394,556.29 - Step 5: Solve for x
x = 11,792,394,556.29/114,661.83 - Step 6: Final answer
x = 102,844.99
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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.