Finding the Fourth Proportional to 427,125.38, 589,445.33 and 236,151.09
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Solution
The fourth proportional to 427,125.38, 589,445.33 and 236,151.09 is: 325,895.31
Step by Step Solution
- Step 1: Write the proportion equation
427,125.38 : 589,445.33 = 236,151.09 : x - Step 2: Convert to fraction form
427,125.38/589,445.33 = 236,151.09/x - Step 3: Cross multiply
427,125.38x = 589,445.33 × 236,151.09 - Step 4: Simplify right side
427,125.38x = 139,198,155,994.15 - Step 5: Solve for x
x = 139,198,155,994.15/427,125.38 - Step 6: Final answer
x = 325,895.31
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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.