Finding the Fourth Proportional to 296,916.72, 409,736.60 and 169,589.68
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Solution
The fourth proportional to 296,916.72, 409,736.60 and 169,589.68 is: 234,028.92
Step by Step Solution
- Step 1: Write the proportion equation
296,916.72 : 409,736.60 = 169,589.68 : x - Step 2: Convert to fraction form
296,916.72/409,736.60 = 169,589.68/x - Step 3: Cross multiply
296,916.72x = 409,736.60 × 169,589.68 - Step 4: Simplify right side
296,916.72x = 69,487,098,878.29 - Step 5: Solve for x
x = 69,487,098,878.29/296,916.72 - Step 6: Final answer
x = 234,028.92
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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.