Finding the Fourth Proportional to 223,704.59, 308,706.12 and 121,727.68
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Solution
The fourth proportional to 223,704.59, 308,706.12 and 121,727.68 is: 167,980.82
Step by Step Solution
- Step 1: Write the proportion equation
223,704.59 : 308,706.12 = 121,727.68 : x - Step 2: Convert to fraction form
223,704.59/308,706.12 = 121,727.68/x - Step 3: Cross multiply
223,704.59x = 308,706.12 × 121,727.68 - Step 4: Simplify right side
223,704.59x = 37,578,079,412.04 - Step 5: Solve for x
x = 37,578,079,412.04/223,704.59 - Step 6: Final answer
x = 167,980.82
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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.