Finding the Fourth Proportional to 291,716.44, 402,568.68 and 157,580.44
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Solution
The fourth proportional to 291,716.44, 402,568.68 and 157,580.44 is: 217,461.00
Step by Step Solution
- Step 1: Write the proportion equation
291,716.44 : 402,568.68 = 157,580.44 : x - Step 2: Convert to fraction form
291,716.44/402,568.68 = 157,580.44/x - Step 3: Cross multiply
291,716.44x = 402,568.68 × 157,580.44 - Step 4: Simplify right side
291,716.44x = 63,436,949,309.12 - Step 5: Solve for x
x = 63,436,949,309.12/291,716.44 - Step 6: Final answer
x = 217,461.00
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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.