Finding the Fourth Proportional to 291,137.48, 436,892.97 and 141,295.98
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Solution
The fourth proportional to 291,137.48, 436,892.97 and 141,295.98 is: 212,034.60
Step by Step Solution
- Step 1: Write the proportion equation
291,137.48 : 436,892.97 = 141,295.98 : x - Step 2: Convert to fraction form
291,137.48/436,892.97 = 141,295.98/x - Step 3: Cross multiply
291,137.48x = 436,892.97 × 141,295.98 - Step 4: Simplify right side
291,137.48x = 61,731,220,351.26 - Step 5: Solve for x
x = 61,731,220,351.26/291,137.48 - Step 6: Final answer
x = 212,034.60
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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.