Finding the Fourth Proportional to 618,166.42, 853,012.28 and 349,894.42
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Solution
The fourth proportional to 618,166.42, 853,012.28 and 349,894.42 is: 482,821.82
Step by Step Solution
- Step 1: Write the proportion equation
618,166.42 : 853,012.28 = 349,894.42 : x - Step 2: Convert to fraction form
618,166.42/853,012.28 = 349,894.42/x - Step 3: Cross multiply
618,166.42x = 853,012.28 × 349,894.42 - Step 4: Simplify right side
618,166.42x = 298,464,236,963.48 - Step 5: Solve for x
x = 298,464,236,963.48/618,166.42 - Step 6: Final answer
x = 482,821.82
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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.