Finding the Fourth Proportional to 222,109.84, 306,518.96 and 121,507.84
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Solution
The fourth proportional to 222,109.84, 306,518.96 and 121,507.84 is: 167,684.86
Step by Step Solution
- Step 1: Write the proportion equation
222,109.84 : 306,518.96 = 121,507.84 : x - Step 2: Convert to fraction form
222,109.84/306,518.96 = 121,507.84/x - Step 3: Cross multiply
222,109.84x = 306,518.96 × 121,507.84 - Step 4: Simplify right side
222,109.84x = 37,244,456,748.65 - Step 5: Solve for x
x = 37,244,456,748.65/222,109.84 - Step 6: Final answer
x = 167,684.86
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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.