Finding the Fourth Proportional to 432,704.20, 649,064.66 and 133,184.47
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Solution
The fourth proportional to 432,704.20, 649,064.66 and 133,184.47 is: 199,779.28
Step by Step Solution
- Step 1: Write the proportion equation
432,704.20 : 649,064.66 = 133,184.47 : x - Step 2: Convert to fraction form
432,704.20/649,064.66 = 133,184.47/x - Step 3: Cross multiply
432,704.20x = 649,064.66 × 133,184.47 - Step 4: Simplify right side
432,704.20x = 86,445,332,883.24 - Step 5: Solve for x
x = 86,445,332,883.24/432,704.20 - Step 6: Final answer
x = 199,779.28
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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.