Finding the Fourth Proportional to 249,583.14, 344,424.13 and 136,406.70
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Solution
The fourth proportional to 249,583.14, 344,424.13 and 136,406.70 is: 188,240.92
Step by Step Solution
- Step 1: Write the proportion equation
249,583.14 : 344,424.13 = 136,406.70 : x - Step 2: Convert to fraction form
249,583.14/344,424.13 = 136,406.70/x - Step 3: Cross multiply
249,583.14x = 344,424.13 × 136,406.70 - Step 4: Simplify right side
249,583.14x = 46,981,758,973.67 - Step 5: Solve for x
x = 46,981,758,973.67/249,583.14 - Step 6: Final answer
x = 188,240.92
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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.