Finding the Fourth Proportional to 249,723.26, 344,619.24 and 136,545.92
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Solution
The fourth proportional to 249,723.26, 344,619.24 and 136,545.92 is: 188,433.99
Step by Step Solution
- Step 1: Write the proportion equation
249,723.26 : 344,619.24 = 136,545.92 : x - Step 2: Convert to fraction form
249,723.26/344,619.24 = 136,545.92/x - Step 3: Cross multiply
249,723.26x = 344,619.24 × 136,545.92 - Step 4: Simplify right side
249,723.26x = 47,056,351,175.50 - Step 5: Solve for x
x = 47,056,351,175.50/249,723.26 - Step 6: Final answer
x = 188,433.99
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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.