Finding the Fourth Proportional to 245,772.18, 339,165.68 and 143,817.26
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Solution
The fourth proportional to 245,772.18, 339,165.68 and 143,817.26 is: 198,467.85
Step by Step Solution
- Step 1: Write the proportion equation
245,772.18 : 339,165.68 = 143,817.26 : x - Step 2: Convert to fraction form
245,772.18/339,165.68 = 143,817.26/x - Step 3: Cross multiply
245,772.18x = 339,165.68 × 143,817.26 - Step 4: Simplify right side
245,772.18x = 48,777,876,368.72 - Step 5: Solve for x
x = 48,777,876,368.72/245,772.18 - Step 6: Final answer
x = 198,467.85
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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.