Finding the Fourth Proportional to 228,484.36, 315,326.17 and 126,519.31
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Solution
The fourth proportional to 228,484.36, 315,326.17 and 126,519.31 is: 174,606.48
Step by Step Solution
- Step 1: Write the proportion equation
228,484.36 : 315,326.17 = 126,519.31 : x - Step 2: Convert to fraction form
228,484.36/315,326.17 = 126,519.31/x - Step 3: Cross multiply
228,484.36x = 315,326.17 × 126,519.31 - Step 4: Simplify right side
228,484.36x = 39,894,848,348.73 - Step 5: Solve for x
x = 39,894,848,348.73/228,484.36 - Step 6: Final answer
x = 174,606.48
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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.