Finding the Fourth Proportional to 286,827.60, 395,920.26 and 173,650.26
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Solution
The fourth proportional to 286,827.60, 395,920.26 and 173,650.26 is: 239,696.79
Step by Step Solution
- Step 1: Write the proportion equation
286,827.60 : 395,920.26 = 173,650.26 : x - Step 2: Convert to fraction form
286,827.60/395,920.26 = 173,650.26/x - Step 3: Cross multiply
286,827.60x = 395,920.26 × 173,650.26 - Step 4: Simplify right side
286,827.60x = 68,751,656,088.27 - Step 5: Solve for x
x = 68,751,656,088.27/286,827.60 - Step 6: Final answer
x = 239,696.79
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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.