Finding the Fourth Proportional to 345,944.18, 519,147.12 and 121,304.45
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Solution
The fourth proportional to 345,944.18, 519,147.12 and 121,304.45 is: 182,037.63
Step by Step Solution
- Step 1: Write the proportion equation
345,944.18 : 519,147.12 = 121,304.45 : x - Step 2: Convert to fraction form
345,944.18/519,147.12 = 121,304.45/x - Step 3: Cross multiply
345,944.18x = 519,147.12 × 121,304.45 - Step 4: Simplify right side
345,944.18x = 62,974,857,613.44 - Step 5: Solve for x
x = 62,974,857,613.44/345,944.18 - Step 6: Final answer
x = 182,037.63
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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.