Finding the Fourth Proportional to 249,290.44, 344,020.62 and 136,113.18
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Solution
The fourth proportional to 249,290.44, 344,020.62 and 136,113.18 is: 187,836.09
Step by Step Solution
- Step 1: Write the proportion equation
249,290.44 : 344,020.62 = 136,113.18 : x - Step 2: Convert to fraction form
249,290.44/344,020.62 = 136,113.18/x - Step 3: Cross multiply
249,290.44x = 344,020.62 × 136,113.18 - Step 4: Simplify right side
249,290.44x = 46,825,740,573.77 - Step 5: Solve for x
x = 46,825,740,573.77/249,290.44 - Step 6: Final answer
x = 187,836.09
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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.