Finding the Fourth Proportional to 142,411.05, 213,429.69 and 104,794.99
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Solution
The fourth proportional to 142,411.05, 213,429.69 and 104,794.99 is: 157,054.96
Step by Step Solution
- Step 1: Write the proportion equation
142,411.05 : 213,429.69 = 104,794.99 : x - Step 2: Convert to fraction form
142,411.05/213,429.69 = 104,794.99/x - Step 3: Cross multiply
142,411.05x = 213,429.69 × 104,794.99 - Step 4: Simplify right side
142,411.05x = 22,366,361,695.68 - Step 5: Solve for x
x = 22,366,361,695.68/142,411.05 - Step 6: Final answer
x = 157,054.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.