Finding the Fourth Proportional to 319,580.23, 479,435.97 and 94,920.66
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Solution
The fourth proportional to 319,580.23, 479,435.97 and 94,920.66 is: 142,400.48
Step by Step Solution
- Step 1: Write the proportion equation
319,580.23 : 479,435.97 = 94,920.66 : x - Step 2: Convert to fraction form
319,580.23/479,435.97 = 94,920.66/x - Step 3: Cross multiply
319,580.23x = 479,435.97 × 94,920.66 - Step 4: Simplify right side
319,580.23x = 45,508,378,700.14 - Step 5: Solve for x
x = 45,508,378,700.14/319,580.23 - Step 6: Final answer
x = 142,400.48
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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.