Finding the Fourth Proportional to 319,892.08, 479,394.96 and 120,011.08
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Solution
The fourth proportional to 319,892.08, 479,394.96 and 120,011.08 is: 179,850.36
Step by Step Solution
- Step 1: Write the proportion equation
319,892.08 : 479,394.96 = 120,011.08 : x - Step 2: Convert to fraction form
319,892.08/479,394.96 = 120,011.08/x - Step 3: Cross multiply
319,892.08x = 479,394.96 × 120,011.08 - Step 4: Simplify right side
319,892.08x = 57,532,706,896.16 - Step 5: Solve for x
x = 57,532,706,896.16/319,892.08 - Step 6: Final answer
x = 179,850.36
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1.5x scale
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.