Finding the Fourth Proportional to 395,424.72, 545,683.36 and 214,132.48
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Solution
The fourth proportional to 395,424.72, 545,683.36 and 214,132.48 is: 295,501.33
Step by Step Solution
- Step 1: Write the proportion equation
395,424.72 : 545,683.36 = 214,132.48 : x - Step 2: Convert to fraction form
395,424.72/545,683.36 = 214,132.48/x - Step 3: Cross multiply
395,424.72x = 545,683.36 × 214,132.48 - Step 4: Simplify right side
395,424.72x = 116,848,531,171.53 - Step 5: Solve for x
x = 116,848,531,171.53/395,424.72 - Step 6: Final answer
x = 295,501.33
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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.