Finding the Fourth Proportional to 168,598.88, 253,023.08 and 79,852.60
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Solution
The fourth proportional to 168,598.88, 253,023.08 and 79,852.60 is: 119,837.99
Step by Step Solution
- Step 1: Write the proportion equation
168,598.88 : 253,023.08 = 79,852.60 : x - Step 2: Convert to fraction form
168,598.88/253,023.08 = 79,852.60/x - Step 3: Cross multiply
168,598.88x = 253,023.08 × 79,852.60 - Step 4: Simplify right side
168,598.88x = 20,204,550,798.01 - Step 5: Solve for x
x = 20,204,550,798.01/168,598.88 - Step 6: Final answer
x = 119,837.99
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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.