Finding the Fourth Proportional to 228,121.23, 314,779.77 and 126,132.96
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Solution
The fourth proportional to 228,121.23, 314,779.77 and 126,132.96 is: 174,048.26
Step by Step Solution
- Step 1: Write the proportion equation
228,121.23 : 314,779.77 = 126,132.96 : x - Step 2: Convert to fraction form
228,121.23/314,779.77 = 126,132.96/x - Step 3: Cross multiply
228,121.23x = 314,779.77 × 126,132.96 - Step 4: Simplify right side
228,121.23x = 39,704,104,138.22 - Step 5: Solve for x
x = 39,704,104,138.22/228,121.23 - Step 6: Final answer
x = 174,048.26
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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.