Finding the Fourth Proportional to 395,554.62, 545,867.99 and 214,266.55
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Solution
The fourth proportional to 395,554.62, 545,867.99 and 214,266.55 is: 295,689.26
Step by Step Solution
- Step 1: Write the proportion equation
395,554.62 : 545,867.99 = 214,266.55 : x - Step 2: Convert to fraction form
395,554.62/545,867.99 = 214,266.55/x - Step 3: Cross multiply
395,554.62x = 545,867.99 × 214,266.55 - Step 4: Simplify right side
395,554.62x = 116,961,250,972.74 - Step 5: Solve for x
x = 116,961,250,972.74/395,554.62 - Step 6: Final answer
x = 295,689.26
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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.