Finding the Fourth Proportional to 243,843.15, 365,727.77 and 66,363.99
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Solution
The fourth proportional to 243,843.15, 365,727.77 and 66,363.99 is: 99,535.93
Step by Step Solution
- Step 1: Write the proportion equation
243,843.15 : 365,727.77 = 66,363.99 : x - Step 2: Convert to fraction form
243,843.15/365,727.77 = 66,363.99/x - Step 3: Cross multiply
243,843.15x = 365,727.77 × 66,363.99 - Step 4: Simplify right side
243,843.15x = 24,271,153,739.18 - Step 5: Solve for x
x = 24,271,153,739.18/243,843.15 - Step 6: Final answer
x = 99,535.93
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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.