Finding the Fourth Proportional to 319,633.84, 479,326.14 and 119,845.12
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Solution
The fourth proportional to 319,633.84, 479,326.14 and 119,845.12 is: 179,720.95
Step by Step Solution
- Step 1: Write the proportion equation
319,633.84 : 479,326.14 = 119,845.12 : x - Step 2: Convert to fraction form
319,633.84/479,326.14 = 119,845.12/x - Step 3: Cross multiply
319,633.84x = 479,326.14 × 119,845.12 - Step 4: Simplify right side
319,633.84x = 57,444,898,767.44 - Step 5: Solve for x
x = 57,444,898,767.44/319,633.84 - Step 6: Final answer
x = 179,720.95
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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.