Finding the Fourth Proportional to 286,553.60, 395,336.58 and 177,608.12
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Solution
The fourth proportional to 286,553.60, 395,336.58 and 177,608.12 is: 245,032.65
Step by Step Solution
- Step 1: Write the proportion equation
286,553.60 : 395,336.58 = 177,608.12 : x - Step 2: Convert to fraction form
286,553.60/395,336.58 = 177,608.12/x - Step 3: Cross multiply
286,553.60x = 395,336.58 × 177,608.12 - Step 4: Simplify right side
286,553.60x = 70,214,986,741.03 - Step 5: Solve for x
x = 70,214,986,741.03/286,553.60 - Step 6: Final answer
x = 245,032.65
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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.