Finding the Fourth Proportional to 347,153.92, 520,727.04 and 84,497.92
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Solution
The fourth proportional to 347,153.92, 520,727.04 and 84,497.92 is: 126,745.95
Step by Step Solution
- Step 1: Write the proportion equation
347,153.92 : 520,727.04 = 84,497.92 : x - Step 2: Convert to fraction form
347,153.92/520,727.04 = 84,497.92/x - Step 3: Cross multiply
347,153.92x = 520,727.04 × 84,497.92 - Step 4: Simplify right side
347,153.92x = 44,000,351,767.76 - Step 5: Solve for x
x = 44,000,351,767.76/347,153.92 - Step 6: Final answer
x = 126,745.95
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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.