Finding the Fourth Proportional to 214,394.49, 321,425.66 and 124,298.63
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Solution
The fourth proportional to 214,394.49, 321,425.66 and 124,298.63 is: 186,351.66
Step by Step Solution
- Step 1: Write the proportion equation
214,394.49 : 321,425.66 = 124,298.63 : x - Step 2: Convert to fraction form
214,394.49/321,425.66 = 124,298.63/x - Step 3: Cross multiply
214,394.49x = 321,425.66 × 124,298.63 - Step 4: Simplify right side
214,394.49x = 39,952,769,184.85 - Step 5: Solve for x
x = 39,952,769,184.85/214,394.49 - Step 6: Final answer
x = 186,351.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.