Finding the Fourth Proportional to 242,358.78, 363,704.23 and 84,587.23
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Solution
The fourth proportional to 242,358.78, 363,704.23 and 84,587.23 is: 126,938.80
Step by Step Solution
- Step 1: Write the proportion equation
242,358.78 : 363,704.23 = 84,587.23 : x - Step 2: Convert to fraction form
242,358.78/363,704.23 = 84,587.23/x - Step 3: Cross multiply
242,358.78x = 363,704.23 × 84,587.23 - Step 4: Simplify right side
242,358.78x = 30,764,733,354.98 - Step 5: Solve for x
x = 30,764,733,354.98/242,358.78 - Step 6: Final answer
x = 126,938.80
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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.