Finding the Fourth Proportional to 264,660.12, 396,948.49 and 219,968.43
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Solution
The fourth proportional to 264,660.12, 396,948.49 and 219,968.43 is: 329,917.99
Step by Step Solution
- Step 1: Write the proportion equation
264,660.12 : 396,948.49 = 219,968.43 : x - Step 2: Convert to fraction form
264,660.12/396,948.49 = 219,968.43/x - Step 3: Cross multiply
264,660.12x = 396,948.49 × 219,968.43 - Step 4: Simplify right side
264,660.12x = 87,316,136,136.17 - Step 5: Solve for x
x = 87,316,136,136.17/264,660.12 - Step 6: Final answer
x = 329,917.99
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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.