Finding the Fourth Proportional to 432,195.82, 647,768.86 and 305,872.99
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Solution
The fourth proportional to 432,195.82, 647,768.86 and 305,872.99 is: 458,438.02
Step by Step Solution
- Step 1: Write the proportion equation
432,195.82 : 647,768.86 = 305,872.99 : x - Step 2: Convert to fraction form
432,195.82/647,768.86 = 305,872.99/x - Step 3: Cross multiply
432,195.82x = 647,768.86 × 305,872.99 - Step 4: Simplify right side
432,195.82x = 198,134,995,652.99 - Step 5: Solve for x
x = 198,134,995,652.99/432,195.82 - Step 6: Final answer
x = 458,438.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.