Finding the Fourth Proportional to 395,846.62, 546,266.30 and 214,557.08
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Solution
The fourth proportional to 395,846.62, 546,266.30 and 214,557.08 is: 296,087.66
Step by Step Solution
- Step 1: Write the proportion equation
395,846.62 : 546,266.30 = 214,557.08 : x - Step 2: Convert to fraction form
395,846.62/546,266.30 = 214,557.08/x - Step 3: Cross multiply
395,846.62x = 546,266.30 × 214,557.08 - Step 4: Simplify right side
395,846.62x = 117,205,298,426.29 - Step 5: Solve for x
x = 117,205,298,426.29/395,846.62 - Step 6: Final answer
x = 296,087.66
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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.