Finding the Fourth Proportional to 457,652.25, 685,824.26 and 201,177.45
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Solution
The fourth proportional to 457,652.25, 685,824.26 and 201,177.45 is: 301,478.63
Step by Step Solution
- Step 1: Write the proportion equation
457,652.25 : 685,824.26 = 201,177.45 : x - Step 2: Convert to fraction form
457,652.25/685,824.26 = 201,177.45/x - Step 3: Cross multiply
457,652.25x = 685,824.26 × 201,177.45 - Step 4: Simplify right side
457,652.25x = 137,972,374,769.05 - Step 5: Solve for x
x = 137,972,374,769.05/457,652.25 - Step 6: Final answer
x = 301,478.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.