Finding the Fourth Proportional to 291,721.75, 437,582.64 and 94,729.75
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Solution
The fourth proportional to 291,721.75, 437,582.64 and 94,729.75 is: 142,094.63
Step by Step Solution
- Step 1: Write the proportion equation
291,721.75 : 437,582.64 = 94,729.75 : x - Step 2: Convert to fraction form
291,721.75/437,582.64 = 94,729.75/x - Step 3: Cross multiply
291,721.75x = 437,582.64 × 94,729.75 - Step 4: Simplify right side
291,721.75x = 41,452,094,091.54 - Step 5: Solve for x
x = 41,452,094,091.54/291,721.75 - Step 6: Final answer
x = 142,094.63
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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.