Finding the Fourth Proportional to 299,258.93, 412,853.41 and 208,668.53
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Solution
The fourth proportional to 299,258.93, 412,853.41 and 208,668.53 is: 287,876.17
Step by Step Solution
- Step 1: Write the proportion equation
299,258.93 : 412,853.41 = 208,668.53 : x - Step 2: Convert to fraction form
299,258.93/412,853.41 = 208,668.53/x - Step 3: Cross multiply
299,258.93x = 412,853.41 × 208,668.53 - Step 4: Simplify right side
299,258.93x = 86,149,514,170.19 - Step 5: Solve for x
x = 86,149,514,170.19/299,258.93 - Step 6: Final answer
x = 287,876.17
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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.