Finding the Fourth Proportional to 249,611.19, 344,463.62 and 136,433.94
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Solution
The fourth proportional to 249,611.19, 344,463.62 and 136,433.94 is: 188,278.94
Step by Step Solution
- Step 1: Write the proportion equation
249,611.19 : 344,463.62 = 136,433.94 : x - Step 2: Convert to fraction form
249,611.19/344,463.62 = 136,433.94/x - Step 3: Cross multiply
249,611.19x = 344,463.62 × 136,433.94 - Step 4: Simplify right side
249,611.19x = 46,996,529,204.35 - Step 5: Solve for x
x = 46,996,529,204.35/249,611.19 - Step 6: Final answer
x = 188,278.94
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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.