Finding the Fourth Proportional to 344,070.78, 515,974.54 and 113,205.99
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Solution
The fourth proportional to 344,070.78, 515,974.54 and 113,205.99 is: 169,765.68
Step by Step Solution
- Step 1: Write the proportion equation
344,070.78 : 515,974.54 = 113,205.99 : x - Step 2: Convert to fraction form
344,070.78/515,974.54 = 113,205.99/x - Step 3: Cross multiply
344,070.78x = 515,974.54 × 113,205.99 - Step 4: Simplify right side
344,070.78x = 58,411,408,615.49 - Step 5: Solve for x
x = 58,411,408,615.49/344,070.78 - Step 6: Final answer
x = 169,765.68
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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.