Finding the Fourth Proportional to 286,820.10, 430,230.15 and 192,341.70
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Solution
The fourth proportional to 286,820.10, 430,230.15 and 192,341.70 is: 288,512.55
Step by Step Solution
- Step 1: Write the proportion equation
286,820.10 : 430,230.15 = 192,341.70 : x - Step 2: Convert to fraction form
286,820.10/430,230.15 = 192,341.70/x - Step 3: Cross multiply
286,820.10x = 430,230.15 × 192,341.70 - Step 4: Simplify right side
286,820.10x = 82,751,198,442.26 - Step 5: Solve for x
x = 82,751,198,442.26/286,820.10 - Step 6: Final answer
x = 288,512.55
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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.