Finding the Fourth Proportional to 249,697.69, 344,584.25 and 136,520.44
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Solution
The fourth proportional to 249,697.69, 344,584.25 and 136,520.44 is: 188,398.99
Step by Step Solution
- Step 1: Write the proportion equation
249,697.69 : 344,584.25 = 136,520.44 : x - Step 2: Convert to fraction form
249,697.69/344,584.25 = 136,520.44/x - Step 3: Cross multiply
249,697.69x = 344,584.25 × 136,520.44 - Step 4: Simplify right side
249,697.69x = 47,042,793,427.07 - Step 5: Solve for x
x = 47,042,793,427.07/249,697.69 - Step 6: Final answer
x = 188,398.99
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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.