Finding the Fourth Proportional to 291,837.09, 437,769.09 and 89,418.70
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Solution
The fourth proportional to 291,837.09, 437,769.09 and 89,418.70 is: 134,132.17
Step by Step Solution
- Step 1: Write the proportion equation
291,837.09 : 437,769.09 = 89,418.70 : x - Step 2: Convert to fraction form
291,837.09/437,769.09 = 89,418.70/x - Step 3: Cross multiply
291,837.09x = 437,769.09 × 89,418.70 - Step 4: Simplify right side
291,837.09x = 39,144,743,475.19 - Step 5: Solve for x
x = 39,144,743,475.19/291,837.09 - Step 6: Final answer
x = 134,132.17
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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.