Finding the Fourth Proportional to 222,226.19, 306,672.95 and 120,251.65
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Solution
The fourth proportional to 222,226.19, 306,672.95 and 120,251.65 is: 165,947.72
Step by Step Solution
- Step 1: Write the proportion equation
222,226.19 : 306,672.95 = 120,251.65 : x - Step 2: Convert to fraction form
222,226.19/306,672.95 = 120,251.65/x - Step 3: Cross multiply
222,226.19x = 306,672.95 × 120,251.65 - Step 4: Simplify right side
222,226.19x = 36,877,929,041.74 - Step 5: Solve for x
x = 36,877,929,041.74/222,226.19 - Step 6: Final answer
x = 165,947.72
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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.