Finding the Fourth Proportional to 228,511.26, 315,341.67 and 126,534.53
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Solution
The fourth proportional to 228,511.26, 315,341.67 and 126,534.53 is: 174,615.51
Step by Step Solution
- Step 1: Write the proportion equation
228,511.26 : 315,341.67 = 126,534.53 : x - Step 2: Convert to fraction form
228,511.26/315,341.67 = 126,534.53/x - Step 3: Cross multiply
228,511.26x = 315,341.67 × 126,534.53 - Step 4: Simplify right side
228,511.26x = 39,901,610,002.87 - Step 5: Solve for x
x = 39,901,610,002.87/228,511.26 - Step 6: Final answer
x = 174,615.51
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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.