Finding the Fourth Proportional to 164,437.87, 226,840.65 and 99,889.99
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Solution
The fourth proportional to 164,437.87, 226,840.65 and 99,889.99 is: 137,797.40
Step by Step Solution
- Step 1: Write the proportion equation
164,437.87 : 226,840.65 = 99,889.99 : x - Step 2: Convert to fraction form
164,437.87/226,840.65 = 99,889.99/x - Step 3: Cross multiply
164,437.87x = 226,840.65 × 99,889.99 - Step 4: Simplify right side
164,437.87x = 22,659,110,260.09 - Step 5: Solve for x
x = 22,659,110,260.09/164,437.87 - Step 6: Final answer
x = 137,797.40
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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.