Finding the Fourth Proportional to 627,378.71, 940,538.97 and 272,125.26
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Solution
The fourth proportional to 627,378.71, 940,538.97 and 272,125.26 is: 407,958.40
Step by Step Solution
- Step 1: Write the proportion equation
627,378.71 : 940,538.97 = 272,125.26 : x - Step 2: Convert to fraction form
627,378.71/940,538.97 = 272,125.26/x - Step 3: Cross multiply
627,378.71x = 940,538.97 × 272,125.26 - Step 4: Simplify right side
627,378.71x = 255,944,411,751.38 - Step 5: Solve for x
x = 255,944,411,751.38/627,378.71 - Step 6: Final answer
x = 407,958.40
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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.