Finding the Fourth Proportional to 235,115.10, 352,672.65 and 199,685.70
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Solution
The fourth proportional to 235,115.10, 352,672.65 and 199,685.70 is: 299,528.55
Step by Step Solution
- Step 1: Write the proportion equation
235,115.10 : 352,672.65 = 199,685.70 : x - Step 2: Convert to fraction form
235,115.10/352,672.65 = 199,685.70/x - Step 3: Cross multiply
235,115.10x = 352,672.65 × 199,685.70 - Step 4: Simplify right side
235,115.10x = 70,423,684,986.11 - Step 5: Solve for x
x = 70,423,684,986.11/235,115.10 - Step 6: Final answer
x = 299,528.55
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1.5x scale
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.