Finding the Fourth Proportional to 251,297.79, 346,793.63 and 136,576.44
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Solution
The fourth proportional to 251,297.79, 346,793.63 and 136,576.44 is: 188,476.94
Step by Step Solution
- Step 1: Write the proportion equation
251,297.79 : 346,793.63 = 136,576.44 : x - Step 2: Convert to fraction form
251,297.79/346,793.63 = 136,576.44/x - Step 3: Cross multiply
251,297.79x = 346,793.63 × 136,576.44 - Step 4: Simplify right side
251,297.79x = 47,363,839,400.08 - Step 5: Solve for x
x = 47,363,839,400.08/251,297.79 - Step 6: Final answer
x = 188,476.94
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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.