Finding the Fourth Proportional to 168,017.40, 252,069.03 and 55,728.99
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Solution
The fourth proportional to 168,017.40, 252,069.03 and 55,728.99 is: 83,607.72
Step by Step Solution
- Step 1: Write the proportion equation
168,017.40 : 252,069.03 = 55,728.99 : x - Step 2: Convert to fraction form
168,017.40/252,069.03 = 55,728.99/x - Step 3: Cross multiply
168,017.40x = 252,069.03 × 55,728.99 - Step 4: Simplify right side
168,017.40x = 14,047,552,452.18 - Step 5: Solve for x
x = 14,047,552,452.18/168,017.40 - Step 6: Final answer
x = 83,607.72
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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.