Finding the Fourth Proportional to 396,603.84, 547,157.60 and 226,746.88
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Solution
The fourth proportional to 396,603.84, 547,157.60 and 226,746.88 is: 312,821.68
Step by Step Solution
- Step 1: Write the proportion equation
396,603.84 : 547,157.60 = 226,746.88 : x - Step 2: Convert to fraction form
396,603.84/547,157.60 = 226,746.88/x - Step 3: Cross multiply
396,603.84x = 547,157.60 × 226,746.88 - Step 4: Simplify right side
396,603.84x = 124,066,278,668.29 - Step 5: Solve for x
x = 124,066,278,668.29/396,603.84 - Step 6: Final answer
x = 312,821.68
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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.