Finding the Fourth Proportional to 437,815.14, 656,668.36 and 117,992.03
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Solution
The fourth proportional to 437,815.14, 656,668.36 and 117,992.03 is: 176,973.40
Step by Step Solution
- Step 1: Write the proportion equation
437,815.14 : 656,668.36 = 117,992.03 : x - Step 2: Convert to fraction form
437,815.14/656,668.36 = 117,992.03/x - Step 3: Cross multiply
437,815.14x = 656,668.36 × 117,992.03 - Step 4: Simplify right side
437,815.14x = 77,481,632,833.17 - Step 5: Solve for x
x = 77,481,632,833.17/437,815.14 - Step 6: Final answer
x = 176,973.40
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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.