Finding the Fourth Proportional to 228,207.42, 314,902.01 and 126,216.68
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Solution
The fourth proportional to 228,207.42, 314,902.01 and 126,216.68 is: 174,165.61
Step by Step Solution
- Step 1: Write the proportion equation
228,207.42 : 314,902.01 = 126,216.68 : x - Step 2: Convert to fraction form
228,207.42/314,902.01 = 126,216.68/x - Step 3: Cross multiply
228,207.42x = 314,902.01 × 126,216.68 - Step 4: Simplify right side
228,207.42x = 39,745,884,021.93 - Step 5: Solve for x
x = 39,745,884,021.93/228,207.42 - Step 6: Final answer
x = 174,165.61
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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.