Finding the Fourth Proportional to 249,701.24, 374,589.14 and 91,917.69
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Solution
The fourth proportional to 249,701.24, 374,589.14 and 91,917.69 is: 137,890.26
Step by Step Solution
- Step 1: Write the proportion equation
249,701.24 : 374,589.14 = 91,917.69 : x - Step 2: Convert to fraction form
249,701.24/374,589.14 = 91,917.69/x - Step 3: Cross multiply
249,701.24x = 374,589.14 × 91,917.69 - Step 4: Simplify right side
249,701.24x = 34,431,367,988.30 - Step 5: Solve for x
x = 34,431,367,988.30/249,701.24 - Step 6: Final answer
x = 137,890.26
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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.