Finding the Fourth Proportional to 249,437.88, 344,231.84 and 136,267.92
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Solution
The fourth proportional to 249,437.88, 344,231.84 and 136,267.92 is: 188,053.86
Step by Step Solution
- Step 1: Write the proportion equation
249,437.88 : 344,231.84 = 136,267.92 : x - Step 2: Convert to fraction form
249,437.88/344,231.84 = 136,267.92/x - Step 3: Cross multiply
249,437.88x = 344,231.84 × 136,267.92 - Step 4: Simplify right side
249,437.88x = 46,907,756,834.57 - Step 5: Solve for x
x = 46,907,756,834.57/249,437.88 - Step 6: Final answer
x = 188,053.86
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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.