Finding the Fourth Proportional to 168,363.36, 252,326.85 and 68,407.54
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Solution
The fourth proportional to 168,363.36, 252,326.85 and 68,407.54 is: 102,522.65
Step by Step Solution
- Step 1: Write the proportion equation
168,363.36 : 252,326.85 = 68,407.54 : x - Step 2: Convert to fraction form
168,363.36/252,326.85 = 68,407.54/x - Step 3: Cross multiply
168,363.36x = 252,326.85 × 68,407.54 - Step 4: Simplify right side
168,363.36x = 17,261,058,197.10 - Step 5: Solve for x
x = 17,261,058,197.10/168,363.36 - Step 6: Final answer
x = 102,522.65
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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.