Finding the Fourth Proportional to 223,419.74, 308,318.63 and 121,445.19
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Solution
The fourth proportional to 223,419.74, 308,318.63 and 121,445.19 is: 167,594.03
Step by Step Solution
- Step 1: Write the proportion equation
223,419.74 : 308,318.63 = 121,445.19 : x - Step 2: Convert to fraction form
223,419.74/308,318.63 = 121,445.19/x - Step 3: Cross multiply
223,419.74x = 308,318.63 × 121,445.19 - Step 4: Simplify right side
223,419.74x = 37,443,813,993.66 - Step 5: Solve for x
x = 37,443,813,993.66/223,419.74 - Step 6: Final answer
x = 167,594.03
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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.