Finding the Fourth Proportional to 319,465.32, 479,147.18 and 106,215.52
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Solution
The fourth proportional to 319,465.32, 479,147.18 and 106,215.52 is: 159,306.39
Step by Step Solution
- Step 1: Write the proportion equation
319,465.32 : 479,147.18 = 106,215.52 : x - Step 2: Convert to fraction form
319,465.32/479,147.18 = 106,215.52/x - Step 3: Cross multiply
319,465.32x = 479,147.18 × 106,215.52 - Step 4: Simplify right side
319,465.32x = 50,892,866,880.23 - Step 5: Solve for x
x = 50,892,866,880.23/319,465.32 - Step 6: Final answer
x = 159,306.39
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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.