Finding the Fourth Proportional to 168,132.08, 252,258.36 and 72,028.98
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Solution
The fourth proportional to 168,132.08, 252,258.36 and 72,028.98 is: 108,069.28
Step by Step Solution
- Step 1: Write the proportion equation
168,132.08 : 252,258.36 = 72,028.98 : x - Step 2: Convert to fraction form
168,132.08/252,258.36 = 72,028.98/x - Step 3: Cross multiply
168,132.08x = 252,258.36 × 72,028.98 - Step 4: Simplify right side
168,132.08x = 18,169,912,367.27 - Step 5: Solve for x
x = 18,169,912,367.27/168,132.08 - Step 6: Final answer
x = 108,069.28
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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.