Finding the Fourth Proportional to 430,311.84, 644,205.98 and 301,782.66
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Solution
The fourth proportional to 430,311.84, 644,205.98 and 301,782.66 is: 451,789.09
Step by Step Solution
- Step 1: Write the proportion equation
430,311.84 : 644,205.98 = 301,782.66 : x - Step 2: Convert to fraction form
430,311.84/644,205.98 = 301,782.66/x - Step 3: Cross multiply
430,311.84x = 644,205.98 × 301,782.66 - Step 4: Simplify right side
430,311.84x = 194,410,194,232.31 - Step 5: Solve for x
x = 194,410,194,232.31/430,311.84 - Step 6: Final answer
x = 451,789.09
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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.