Finding the Fourth Proportional to 243,091.99, 364,624.12 and 74,612.06
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Solution
The fourth proportional to 243,091.99, 364,624.12 and 74,612.06 is: 111,913.83
Step by Step Solution
- Step 1: Write the proportion equation
243,091.99 : 364,624.12 = 74,612.06 : x - Step 2: Convert to fraction form
243,091.99/364,624.12 = 74,612.06/x - Step 3: Cross multiply
243,091.99x = 364,624.12 × 74,612.06 - Step 4: Simplify right side
243,091.99x = 27,205,354,709.24 - Step 5: Solve for x
x = 27,205,354,709.24/243,091.99 - Step 6: Final answer
x = 111,913.83
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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.