Finding the Fourth Proportional to 618,165.42, 853,010.91 and 349,893.42
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Solution
The fourth proportional to 618,165.42, 853,010.91 and 349,893.42 is: 482,820.45
Step by Step Solution
- Step 1: Write the proportion equation
618,165.42 : 853,010.91 = 349,893.42 : x - Step 2: Convert to fraction form
618,165.42/853,010.91 = 349,893.42/x - Step 3: Cross multiply
618,165.42x = 853,010.91 × 349,893.42 - Step 4: Simplify right side
618,165.42x = 298,462,904,597.21 - Step 5: Solve for x
x = 298,462,904,597.21/618,165.42 - Step 6: Final answer
x = 482,820.45
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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.