Finding the Fourth Proportional to 223,373.62, 308,257.97 and 121,399.08
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Solution
The fourth proportional to 223,373.62, 308,257.97 and 121,399.08 is: 167,532.02
Step by Step Solution
- Step 1: Write the proportion equation
223,373.62 : 308,257.97 = 121,399.08 : x - Step 2: Convert to fraction form
223,373.62/308,257.97 = 121,399.08/x - Step 3: Cross multiply
223,373.62x = 308,257.97 × 121,399.08 - Step 4: Simplify right side
223,373.62x = 37,422,233,960.67 - Step 5: Solve for x
x = 37,422,233,960.67/223,373.62 - Step 6: Final answer
x = 167,532.02
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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.