Finding the Fourth Proportional to 154,601.48, 213,356.17 and 86,619.02
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Solution
The fourth proportional to 154,601.48, 213,356.17 and 86,619.02 is: 119,537.68
Step by Step Solution
- Step 1: Write the proportion equation
154,601.48 : 213,356.17 = 86,619.02 : x - Step 2: Convert to fraction form
154,601.48/213,356.17 = 86,619.02/x - Step 3: Cross multiply
154,601.48x = 213,356.17 × 86,619.02 - Step 4: Simplify right side
154,601.48x = 18,480,702,356.35 - Step 5: Solve for x
x = 18,480,702,356.35/154,601.48 - Step 6: Final answer
x = 119,537.68
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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.