Finding the Fourth Proportional to 166,315.05, 229,449.65 and 102,542.13
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Solution
The fourth proportional to 166,315.05, 229,449.65 and 102,542.13 is: 141,467.99
Step by Step Solution
- Step 1: Write the proportion equation
166,315.05 : 229,449.65 = 102,542.13 : x - Step 2: Convert to fraction form
166,315.05/229,449.65 = 102,542.13/x - Step 3: Cross multiply
166,315.05x = 229,449.65 × 102,542.13 - Step 4: Simplify right side
166,315.05x = 23,528,255,326.04 - Step 5: Solve for x
x = 23,528,255,326.04/166,315.05 - Step 6: Final answer
x = 141,467.99
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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.