Finding the Fourth Proportional to 199,616.18, 275,466.21 and 108,973.94
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Solution
The fourth proportional to 199,616.18, 275,466.21 and 108,973.94 is: 150,381.79
Step by Step Solution
- Step 1: Write the proportion equation
199,616.18 : 275,466.21 = 108,973.94 : x - Step 2: Convert to fraction form
199,616.18/275,466.21 = 108,973.94/x - Step 3: Cross multiply
199,616.18x = 275,466.21 × 108,973.94 - Step 4: Simplify right side
199,616.18x = 30,018,638,240.57 - Step 5: Solve for x
x = 30,018,638,240.57/199,616.18 - Step 6: Final answer
x = 150,381.79
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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.