Finding the Fourth Proportional to 236,119.68, 354,232.08 and 86,356.62
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Solution
The fourth proportional to 236,119.68, 354,232.08 and 86,356.62 is: 129,554.15
Step by Step Solution
- Step 1: Write the proportion equation
236,119.68 : 354,232.08 = 86,356.62 : x - Step 2: Convert to fraction form
236,119.68/354,232.08 = 86,356.62/x - Step 3: Cross multiply
236,119.68x = 354,232.08 × 86,356.62 - Step 4: Simplify right side
236,119.68x = 30,590,285,124.37 - Step 5: Solve for x
x = 30,590,285,124.37/236,119.68 - Step 6: Final answer
x = 129,554.15
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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.