Finding the Fourth Proportional to 228,634.44, 315,534.91 and 126,691.88
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Solution
The fourth proportional to 228,634.44, 315,534.91 and 126,691.88 is: 174,845.53
Step by Step Solution
- Step 1: Write the proportion equation
228,634.44 : 315,534.91 = 126,691.88 : x - Step 2: Convert to fraction form
228,634.44/315,534.91 = 126,691.88/x - Step 3: Cross multiply
228,634.44x = 315,534.91 × 126,691.88 - Step 4: Simplify right side
228,634.44x = 39,975,710,953.53 - Step 5: Solve for x
x = 39,975,710,953.53/228,634.44 - Step 6: Final answer
x = 174,845.53
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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.