Finding the Fourth Proportional to 395,494.28, 545,779.36 and 214,202.08
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Solution
The fourth proportional to 395,494.28, 545,779.36 and 214,202.08 is: 295,597.38
Step by Step Solution
- Step 1: Write the proportion equation
395,494.28 : 545,779.36 = 214,202.08 : x - Step 2: Convert to fraction form
395,494.28/545,779.36 = 214,202.08/x - Step 3: Cross multiply
395,494.28x = 545,779.36 × 214,202.08 - Step 4: Simplify right side
395,494.28x = 116,907,074,133.07 - Step 5: Solve for x
x = 116,907,074,133.07/395,494.28 - Step 6: Final answer
x = 295,597.38
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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.