Finding the Fourth Proportional to 291,260.80, 436,905.60 and 151,292.80
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Solution
The fourth proportional to 291,260.80, 436,905.60 and 151,292.80 is: 226,946.68
Step by Step Solution
- Step 1: Write the proportion equation
291,260.80 : 436,905.60 = 151,292.80 : x - Step 2: Convert to fraction form
291,260.80/436,905.60 = 151,292.80/x - Step 3: Cross multiply
291,260.80x = 436,905.60 × 151,292.80 - Step 4: Simplify right side
291,260.80x = 66,100,671,559.68 - Step 5: Solve for x
x = 66,100,671,559.68/291,260.80 - Step 6: Final answer
x = 226,946.68
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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.