Finding the Fourth Proportional to 249,963.84, 344,939.04 and 136,791.36
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Solution
The fourth proportional to 249,963.84, 344,939.04 and 136,791.36 is: 188,766.02
Step by Step Solution
- Step 1: Write the proportion equation
249,963.84 : 344,939.04 = 136,791.36 : x - Step 2: Convert to fraction form
249,963.84/344,939.04 = 136,791.36/x - Step 3: Cross multiply
249,963.84x = 344,939.04 × 136,791.36 - Step 4: Simplify right side
249,963.84x = 47,184,680,398.69 - Step 5: Solve for x
x = 47,184,680,398.69/249,963.84 - Step 6: Final answer
x = 188,766.02
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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.