Finding the Fourth Proportional to 486,461.19, 729,058.88 and 197,936.60
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Solution
The fourth proportional to 486,461.19, 729,058.88 and 197,936.60 is: 296,647.37
Step by Step Solution
- Step 1: Write the proportion equation
486,461.19 : 729,058.88 = 197,936.60 : x - Step 2: Convert to fraction form
486,461.19/729,058.88 = 197,936.60/x - Step 3: Cross multiply
486,461.19x = 729,058.88 × 197,936.60 - Step 4: Simplify right side
486,461.19x = 144,307,431,272.03 - Step 5: Solve for x
x = 144,307,431,272.03/486,461.19 - Step 6: Final answer
x = 296,647.37
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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.