Finding the Fourth Proportional to 169,399.14, 233,780.49 and 102,352.74
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Solution
The fourth proportional to 169,399.14, 233,780.49 and 102,352.74 is: 141,252.63
Step by Step Solution
- Step 1: Write the proportion equation
169,399.14 : 233,780.49 = 102,352.74 : x - Step 2: Convert to fraction form
169,399.14/233,780.49 = 102,352.74/x - Step 3: Cross multiply
169,399.14x = 233,780.49 × 102,352.74 - Step 4: Simplify right side
169,399.14x = 23,928,073,710.04 - Step 5: Solve for x
x = 23,928,073,710.04/169,399.14 - Step 6: Final answer
x = 141,252.63
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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.