Finding the Fourth Proportional to 427,083.68, 589,324.20 and 236,070.92
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Solution
The fourth proportional to 427,083.68, 589,324.20 and 236,070.92 is: 325,749.53
Step by Step Solution
- Step 1: Write the proportion equation
427,083.68 : 589,324.20 = 236,070.92 : x - Step 2: Convert to fraction form
427,083.68/589,324.20 = 236,070.92/x - Step 3: Cross multiply
427,083.68x = 589,324.20 × 236,070.92 - Step 4: Simplify right side
427,083.68x = 139,122,306,072.26 - Step 5: Solve for x
x = 139,122,306,072.26/427,083.68 - Step 6: Final answer
x = 325,749.53
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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.