Finding the Fourth Proportional to 496,760.23, 745,193.40 and 212,480.20
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Solution
The fourth proportional to 496,760.23, 745,193.40 and 212,480.20 is: 318,742.99
Step by Step Solution
- Step 1: Write the proportion equation
496,760.23 : 745,193.40 = 212,480.20 : x - Step 2: Convert to fraction form
496,760.23/745,193.40 = 212,480.20/x - Step 3: Cross multiply
496,760.23x = 745,193.40 × 212,480.20 - Step 4: Simplify right side
496,760.23x = 158,338,842,670.68 - Step 5: Solve for x
x = 158,338,842,670.68/496,760.23 - Step 6: Final answer
x = 318,742.99
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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.