Finding the Fourth Proportional to 296,672.12, 409,399.08 and 174,162.53
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Solution
The fourth proportional to 296,672.12, 409,399.08 and 174,162.53 is: 240,339.33
Step by Step Solution
- Step 1: Write the proportion equation
296,672.12 : 409,399.08 = 174,162.53 : x - Step 2: Convert to fraction form
296,672.12/409,399.08 = 174,162.53/x - Step 3: Cross multiply
296,672.12x = 409,399.08 × 174,162.53 - Step 4: Simplify right side
296,672.12x = 71,301,977,505.48 - Step 5: Solve for x
x = 71,301,977,505.48/296,672.12 - Step 6: Final answer
x = 240,339.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.