Finding the Fourth Proportional to 395,452.24, 545,721.35 and 214,160.02
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Solution
The fourth proportional to 395,452.24, 545,721.35 and 214,160.02 is: 295,539.34
Step by Step Solution
- Step 1: Write the proportion equation
395,452.24 : 545,721.35 = 214,160.02 : x - Step 2: Convert to fraction form
395,452.24/545,721.35 = 214,160.02/x - Step 3: Cross multiply
395,452.24x = 545,721.35 × 214,160.02 - Step 4: Simplify right side
395,452.24x = 116,871,692,795.32 - Step 5: Solve for x
x = 116,871,692,795.32/395,452.24 - Step 6: Final answer
x = 295,539.34
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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.