Finding the Fourth Proportional to 144,526.26, 216,876.86 and 61,420.26
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Solution
The fourth proportional to 144,526.26, 216,876.86 and 61,420.26 is: 92,167.56
Step by Step Solution
- Step 1: Write the proportion equation
144,526.26 : 216,876.86 = 61,420.26 : x - Step 2: Convert to fraction form
144,526.26/216,876.86 = 61,420.26/x - Step 3: Cross multiply
144,526.26x = 216,876.86 × 61,420.26 - Step 4: Simplify right side
144,526.26x = 13,320,633,129.18 - Step 5: Solve for x
x = 13,320,633,129.18/144,526.26 - Step 6: Final answer
x = 92,167.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.