Finding the Fourth Proportional to 659,165.14, 909,672.39 and 372,668.14
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Solution
The fourth proportional to 659,165.14, 909,672.39 and 372,668.14 is: 514,295.88
Step by Step Solution
- Step 1: Write the proportion equation
659,165.14 : 909,672.39 = 372,668.14 : x - Step 2: Convert to fraction form
659,165.14/909,672.39 = 372,668.14/x - Step 3: Cross multiply
659,165.14x = 909,672.39 × 372,668.14 - Step 4: Simplify right side
659,165.14x = 339,005,917,590.66 - Step 5: Solve for x
x = 339,005,917,590.66/659,165.14 - Step 6: Final answer
x = 514,295.88
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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.