Finding the Fourth Proportional to 323,079.23, 484,618.92 and 145,378.63
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Solution
The fourth proportional to 323,079.23, 484,618.92 and 145,378.63 is: 218,067.98
Step by Step Solution
- Step 1: Write the proportion equation
323,079.23 : 484,618.92 = 145,378.63 : x - Step 2: Convert to fraction form
323,079.23/484,618.92 = 145,378.63/x - Step 3: Cross multiply
323,079.23x = 484,618.92 × 145,378.63 - Step 4: Simplify right side
323,079.23x = 70,453,234,722.28 - Step 5: Solve for x
x = 70,453,234,722.28/323,079.23 - Step 6: Final answer
x = 218,067.98
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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.