Finding the Fourth Proportional to 168,444.36, 252,665.73 and 68,580.88
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Solution
The fourth proportional to 168,444.36, 252,665.73 and 68,580.88 is: 102,870.99
Step by Step Solution
- Step 1: Write the proportion equation
168,444.36 : 252,665.73 = 68,580.88 : x - Step 2: Convert to fraction form
168,444.36/252,665.73 = 68,580.88/x - Step 3: Cross multiply
168,444.36x = 252,665.73 × 68,580.88 - Step 4: Simplify right side
168,444.36x = 17,328,037,477.58 - Step 5: Solve for x
x = 17,328,037,477.58/168,444.36 - Step 6: Final answer
x = 102,870.99
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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.