Finding the Fourth Proportional to 242,103.74, 363,157.43 and 84,331.94
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Solution
The fourth proportional to 242,103.74, 363,157.43 and 84,331.94 is: 126,498.54
Step by Step Solution
- Step 1: Write the proportion equation
242,103.74 : 363,157.43 = 84,331.94 : x - Step 2: Convert to fraction form
242,103.74/363,157.43 = 84,331.94/x - Step 3: Cross multiply
242,103.74x = 363,157.43 × 84,331.94 - Step 4: Simplify right side
242,103.74x = 30,625,768,359.87 - Step 5: Solve for x
x = 30,625,768,359.87/242,103.74 - Step 6: Final answer
x = 126,498.54
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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.