Finding the Fourth Proportional to 222,160.32, 306,588.96 and 121,567.68
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Solution
The fourth proportional to 222,160.32, 306,588.96 and 121,567.68 is: 167,767.62
Step by Step Solution
- Step 1: Write the proportion equation
222,160.32 : 306,588.96 = 121,567.68 : x - Step 2: Convert to fraction form
222,160.32/306,588.96 = 121,567.68/x - Step 3: Cross multiply
222,160.32x = 306,588.96 × 121,567.68 - Step 4: Simplify right side
222,160.32x = 37,271,308,580.81 - Step 5: Solve for x
x = 37,271,308,580.81/222,160.32 - Step 6: Final answer
x = 167,767.62
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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.