Finding the Fourth Proportional to 245,668.14, 367,911.66 and 140,167.26
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Solution
The fourth proportional to 245,668.14, 367,911.66 and 140,167.26 is: 209,913.95
Step by Step Solution
- Step 1: Write the proportion equation
245,668.14 : 367,911.66 = 140,167.26 : x - Step 2: Convert to fraction form
245,668.14/367,911.66 = 140,167.26/x - Step 3: Cross multiply
245,668.14x = 367,911.66 × 140,167.26 - Step 4: Simplify right side
245,668.14x = 51,569,169,304.25 - Step 5: Solve for x
x = 51,569,169,304.25/245,668.14 - Step 6: Final answer
x = 209,913.95
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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.