Finding the Fourth Proportional to 223,366.23, 308,248.47 and 121,393.71
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Solution
The fourth proportional to 223,366.23, 308,248.47 and 121,393.71 is: 167,524.99
Step by Step Solution
- Step 1: Write the proportion equation
223,366.23 : 308,248.47 = 121,393.71 : x - Step 2: Convert to fraction form
223,366.23/308,248.47 = 121,393.71/x - Step 3: Cross multiply
223,366.23x = 308,248.47 × 121,393.71 - Step 4: Simplify right side
223,366.23x = 37,419,425,375.12 - Step 5: Solve for x
x = 37,419,425,375.12/223,366.23 - Step 6: Final answer
x = 167,524.99
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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.