Finding the Fourth Proportional to 207,898.80, 311,316.84 and 114,301.68
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Solution
The fourth proportional to 207,898.80, 311,316.84 and 114,301.68 is: 171,160.38
Step by Step Solution
- Step 1: Write the proportion equation
207,898.80 : 311,316.84 = 114,301.68 : x - Step 2: Convert to fraction form
207,898.80/311,316.84 = 114,301.68/x - Step 3: Cross multiply
207,898.80x = 311,316.84 × 114,301.68 - Step 4: Simplify right side
207,898.80x = 35,584,037,824.29 - Step 5: Solve for x
x = 35,584,037,824.29/207,898.80 - Step 6: Final answer
x = 171,160.38
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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.