Finding the Fourth Proportional to 330,998.53, 496,108.99 and 153,129.82
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Solution
The fourth proportional to 330,998.53, 496,108.99 and 153,129.82 is: 229,514.85
Step by Step Solution
- Step 1: Write the proportion equation
330,998.53 : 496,108.99 = 153,129.82 : x - Step 2: Convert to fraction form
330,998.53/496,108.99 = 153,129.82/x - Step 3: Cross multiply
330,998.53x = 496,108.99 × 153,129.82 - Step 4: Simplify right side
330,998.53x = 75,969,077,475.71 - Step 5: Solve for x
x = 75,969,077,475.71/330,998.53 - Step 6: Final answer
x = 229,514.85
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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.