Finding the Fourth Proportional to 222,226.94, 306,673.99 and 120,252.40
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Solution
The fourth proportional to 222,226.94, 306,673.99 and 120,252.40 is: 165,948.75
Step by Step Solution
- Step 1: Write the proportion equation
222,226.94 : 306,673.99 = 120,252.40 : x - Step 2: Convert to fraction form
222,226.94/306,673.99 = 120,252.40/x - Step 3: Cross multiply
222,226.94x = 306,673.99 × 120,252.40 - Step 4: Simplify right side
222,226.94x = 36,878,282,247.76 - Step 5: Solve for x
x = 36,878,282,247.76/222,226.94 - Step 6: Final answer
x = 165,948.75
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1.5x scale
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.