Finding the Fourth Proportional to 249,696.69, 344,582.87 and 136,519.44
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Solution
The fourth proportional to 249,696.69, 344,582.87 and 136,519.44 is: 188,397.61
Step by Step Solution
- Step 1: Write the proportion equation
249,696.69 : 344,582.87 = 136,519.44 : x - Step 2: Convert to fraction form
249,696.69/344,582.87 = 136,519.44/x - Step 3: Cross multiply
249,696.69x = 344,582.87 × 136,519.44 - Step 4: Simplify right side
249,696.69x = 47,042,260,445.99 - Step 5: Solve for x
x = 47,042,260,445.99/249,696.69 - Step 6: Final answer
x = 188,397.61
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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.