Finding the Fourth Proportional to 347,795.04, 521,742.09 and 107,929.67
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Solution
The fourth proportional to 347,795.04, 521,742.09 and 107,929.67 is: 161,909.88
Step by Step Solution
- Step 1: Write the proportion equation
347,795.04 : 521,742.09 = 107,929.67 : x - Step 2: Convert to fraction form
347,795.04/521,742.09 = 107,929.67/x - Step 3: Cross multiply
347,795.04x = 521,742.09 × 107,929.67 - Step 4: Simplify right side
347,795.04x = 56,311,452,860.28 - Step 5: Solve for x
x = 56,311,452,860.28/347,795.04 - Step 6: Final answer
x = 161,909.88
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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.