Finding the Fourth Proportional to 154,566.26, 213,295.58 and 86,579.92
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Solution
The fourth proportional to 154,566.26, 213,295.58 and 86,579.92 is: 119,477.01
Step by Step Solution
- Step 1: Write the proportion equation
154,566.26 : 213,295.58 = 86,579.92 : x - Step 2: Convert to fraction form
154,566.26/213,295.58 = 86,579.92/x - Step 3: Cross multiply
154,566.26x = 213,295.58 × 86,579.92 - Step 4: Simplify right side
154,566.26x = 18,467,114,411.15 - Step 5: Solve for x
x = 18,467,114,411.15/154,566.26 - Step 6: Final answer
x = 119,477.01
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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.