Finding the Fourth Proportional to 432,670.46, 649,067.19 and 133,175.99
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Solution
The fourth proportional to 432,670.46, 649,067.19 and 133,175.99 is: 199,782.91
Step by Step Solution
- Step 1: Write the proportion equation
432,670.46 : 649,067.19 = 133,175.99 : x - Step 2: Convert to fraction form
432,670.46/649,067.19 = 133,175.99/x - Step 3: Cross multiply
432,670.46x = 649,067.19 × 133,175.99 - Step 4: Simplify right side
432,670.46x = 86,440,162,359.43 - Step 5: Solve for x
x = 86,440,162,359.43/432,670.46 - Step 6: Final answer
x = 199,782.91
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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.