Finding the Fourth Proportional to 395,506.44, 545,795.58 and 214,214.16
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Solution
The fourth proportional to 395,506.44, 545,795.58 and 214,214.16 is: 295,613.75
Step by Step Solution
- Step 1: Write the proportion equation
395,506.44 : 545,795.58 = 214,214.16 : x - Step 2: Convert to fraction form
395,506.44/545,795.58 = 214,214.16/x - Step 3: Cross multiply
395,506.44x = 545,795.58 × 214,214.16 - Step 4: Simplify right side
395,506.44x = 116,917,141,701.41 - Step 5: Solve for x
x = 116,917,141,701.41/395,506.44 - Step 6: Final answer
x = 295,613.75
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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.