Finding the Fourth Proportional to 292,649.41, 438,635.26 and 134,546.05
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Solution
The fourth proportional to 292,649.41, 438,635.26 and 134,546.05 is: 201,663.29
Step by Step Solution
- Step 1: Write the proportion equation
292,649.41 : 438,635.26 = 134,546.05 : x - Step 2: Convert to fraction form
292,649.41/438,635.26 = 134,546.05/x - Step 3: Cross multiply
292,649.41x = 438,635.26 × 134,546.05 - Step 4: Simplify right side
292,649.41x = 59,016,641,623.72 - Step 5: Solve for x
x = 59,016,641,623.72/292,649.41 - Step 6: Final answer
x = 201,663.29
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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.