Finding the Fourth Proportional to 168,878.01, 253,316.81 and 80,083.08
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Solution
The fourth proportional to 168,878.01, 253,316.81 and 80,083.08 is: 120,124.52
Step by Step Solution
- Step 1: Write the proportion equation
168,878.01 : 253,316.81 = 80,083.08 : x - Step 2: Convert to fraction form
168,878.01/253,316.81 = 80,083.08/x - Step 3: Cross multiply
168,878.01x = 253,316.81 × 80,083.08 - Step 4: Simplify right side
168,878.01x = 20,286,389,093.99 - Step 5: Solve for x
x = 20,286,389,093.99/168,878.01 - Step 6: Final answer
x = 120,124.52
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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.