Finding the Fourth Proportional to 427,052.16, 589,286.88 and 236,034.72
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Solution
The fourth proportional to 427,052.16, 589,286.88 and 236,034.72 is: 325,702.99
Step by Step Solution
- Step 1: Write the proportion equation
427,052.16 : 589,286.88 = 236,034.72 : x - Step 2: Convert to fraction form
427,052.16/589,286.88 = 236,034.72/x - Step 3: Cross multiply
427,052.16x = 589,286.88 × 236,034.72 - Step 4: Simplify right side
427,052.16x = 139,092,163,720.47 - Step 5: Solve for x
x = 139,092,163,720.47/427,052.16 - Step 6: Final answer
x = 325,702.99
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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.