Finding the Fourth Proportional to 242,204.11, 363,308.19 and 84,432.31
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Solution
The fourth proportional to 242,204.11, 363,308.19 and 84,432.31 is: 126,649.17
Step by Step Solution
- Step 1: Write the proportion equation
242,204.11 : 363,308.19 = 84,432.31 : x - Step 2: Convert to fraction form
242,204.11/363,308.19 = 84,432.31/x - Step 3: Cross multiply
242,204.11x = 363,308.19 × 84,432.31 - Step 4: Simplify right side
242,204.11x = 30,674,949,723.62 - Step 5: Solve for x
x = 30,674,949,723.62/242,204.11 - Step 6: Final answer
x = 126,649.17
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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.