Finding the Fourth Proportional to 249,461.92, 344,257.68 and 136,286.56
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Solution
The fourth proportional to 249,461.92, 344,257.68 and 136,286.56 is: 188,075.58
Step by Step Solution
- Step 1: Write the proportion equation
249,461.92 : 344,257.68 = 136,286.56 : x - Step 2: Convert to fraction form
249,461.92/344,257.68 = 136,286.56/x - Step 3: Cross multiply
249,461.92x = 344,257.68 × 136,286.56 - Step 4: Simplify right side
249,461.92x = 46,917,694,960.78 - Step 5: Solve for x
x = 46,917,694,960.78/249,461.92 - Step 6: Final answer
x = 188,075.58
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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.