Finding the Fourth Proportional to 249,951.36, 344,619.99 and 208,617.69
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Solution
The fourth proportional to 249,951.36, 344,619.99 and 208,617.69 is: 287,631.27
Step by Step Solution
- Step 1: Write the proportion equation
249,951.36 : 344,619.99 = 208,617.69 : x - Step 2: Convert to fraction form
249,951.36/344,619.99 = 208,617.69/x - Step 3: Cross multiply
249,951.36x = 344,619.99 × 208,617.69 - Step 4: Simplify right side
249,951.36x = 71,893,826,241.62 - Step 5: Solve for x
x = 71,893,826,241.62/249,951.36 - Step 6: Final answer
x = 287,631.27
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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.