Finding the Fourth Proportional to 177,754.64, 245,305.26 and 106,121.27
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Solution
The fourth proportional to 177,754.64, 245,305.26 and 106,121.27 is: 146,449.66
Step by Step Solution
- Step 1: Write the proportion equation
177,754.64 : 245,305.26 = 106,121.27 : x - Step 2: Convert to fraction form
177,754.64/245,305.26 = 106,121.27/x - Step 3: Cross multiply
177,754.64x = 245,305.26 × 106,121.27 - Step 4: Simplify right side
177,754.64x = 26,032,106,342.14 - Step 5: Solve for x
x = 26,032,106,342.14/177,754.64 - Step 6: Final answer
x = 146,449.66
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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.