Finding the Fourth Proportional to 222,253.08, 306,706.86 and 120,276.29
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Solution
The fourth proportional to 222,253.08, 306,706.86 and 120,276.29 is: 165,979.99
Step by Step Solution
- Step 1: Write the proportion equation
222,253.08 : 306,706.86 = 120,276.29 : x - Step 2: Convert to fraction form
222,253.08/306,706.86 = 120,276.29/x - Step 3: Cross multiply
222,253.08x = 306,706.86 × 120,276.29 - Step 4: Simplify right side
222,253.08x = 36,889,563,238.35 - Step 5: Solve for x
x = 36,889,563,238.35/222,253.08 - Step 6: Final answer
x = 165,979.99
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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.