Finding the Fourth Proportional to 347,700.52, 479,771.88 and 202,530.19
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Solution
The fourth proportional to 347,700.52, 479,771.88 and 202,530.19 is: 279,459.72
Step by Step Solution
- Step 1: Write the proportion equation
347,700.52 : 479,771.88 = 202,530.19 : x - Step 2: Convert to fraction form
347,700.52/479,771.88 = 202,530.19/x - Step 3: Cross multiply
347,700.52x = 479,771.88 × 202,530.19 - Step 4: Simplify right side
347,700.52x = 97,168,290,013.06 - Step 5: Solve for x
x = 97,168,290,013.06/347,700.52 - Step 6: Final answer
x = 279,459.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.