Finding the Fourth Proportional to 169,788.58, 234,309.63 and 106,163.26
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Solution
The fourth proportional to 169,788.58, 234,309.63 and 106,163.26 is: 146,506.17
Step by Step Solution
- Step 1: Write the proportion equation
169,788.58 : 234,309.63 = 106,163.26 : x - Step 2: Convert to fraction form
169,788.58/234,309.63 = 106,163.26/x - Step 3: Cross multiply
169,788.58x = 234,309.63 × 106,163.26 - Step 4: Simplify right side
169,788.58x = 24,875,074,170.19 - Step 5: Solve for x
x = 24,875,074,170.19/169,788.58 - Step 6: Final answer
x = 146,506.17
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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.