Finding the Fourth Proportional to 198,209.43, 297,230.31 and 79,848.99
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Solution
The fourth proportional to 198,209.43, 297,230.31 and 79,848.99 is: 119,739.71
Step by Step Solution
- Step 1: Write the proportion equation
198,209.43 : 297,230.31 = 79,848.99 : x - Step 2: Convert to fraction form
198,209.43/297,230.31 = 79,848.99/x - Step 3: Cross multiply
198,209.43x = 297,230.31 × 79,848.99 - Step 4: Simplify right side
198,209.43x = 23,733,540,050.89 - Step 5: Solve for x
x = 23,733,540,050.89/198,209.43 - Step 6: Final answer
x = 119,739.71
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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.