Finding the Fourth Proportional to 251,325.78, 346,506.21 and 205,836.18
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Solution
The fourth proportional to 251,325.78, 346,506.21 and 205,836.18 is: 283,789.09
Step by Step Solution
- Step 1: Write the proportion equation
251,325.78 : 346,506.21 = 205,836.18 : x - Step 2: Convert to fraction form
251,325.78/346,506.21 = 205,836.18/x - Step 3: Cross multiply
251,325.78x = 346,506.21 × 205,836.18 - Step 4: Simplify right side
251,325.78x = 71,323,514,612.68 - Step 5: Solve for x
x = 71,323,514,612.68/251,325.78 - Step 6: Final answer
x = 283,789.09
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1.5x scale
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.