Finding the Fourth Proportional to 317,273.12, 437,850.64 and 189,924.08
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Solution
The fourth proportional to 317,273.12, 437,850.64 and 189,924.08 is: 262,103.45
Step by Step Solution
- Step 1: Write the proportion equation
317,273.12 : 437,850.64 = 189,924.08 : x - Step 2: Convert to fraction form
317,273.12/437,850.64 = 189,924.08/x - Step 3: Cross multiply
317,273.12x = 437,850.64 × 189,924.08 - Step 4: Simplify right side
317,273.12x = 83,158,379,979.41 - Step 5: Solve for x
x = 83,158,379,979.41/317,273.12 - Step 6: Final answer
x = 262,103.45
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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.