Finding the Fourth Proportional to 207,700.79, 286,627.35 and 112,207.50
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Solution
The fourth proportional to 207,700.79, 286,627.35 and 112,207.50 is: 154,846.49
Step by Step Solution
- Step 1: Write the proportion equation
207,700.79 : 286,627.35 = 112,207.50 : x - Step 2: Convert to fraction form
207,700.79/286,627.35 = 112,207.50/x - Step 3: Cross multiply
207,700.79x = 286,627.35 × 112,207.50 - Step 4: Simplify right side
207,700.79x = 32,161,738,375.13 - Step 5: Solve for x
x = 32,161,738,375.13/207,700.79 - Step 6: Final answer
x = 154,846.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.