Finding the Fourth Proportional to 347,147.28, 520,379.34 and 202,869.98
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Solution
The fourth proportional to 347,147.28, 520,379.34 and 202,869.98 is: 304,105.35
Step by Step Solution
- Step 1: Write the proportion equation
347,147.28 : 520,379.34 = 202,869.98 : x - Step 2: Convert to fraction form
347,147.28/520,379.34 = 202,869.98/x - Step 3: Cross multiply
347,147.28x = 520,379.34 × 202,869.98 - Step 4: Simplify right side
347,147.28x = 105,569,344,886.98 - Step 5: Solve for x
x = 105,569,344,886.98/347,147.28 - Step 6: Final answer
x = 304,105.35
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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.