Finding the Fourth Proportional to 292,198.58, 438,120.47 and 114,492.68
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Solution
The fourth proportional to 292,198.58, 438,120.47 and 114,492.68 is: 171,669.50
Step by Step Solution
- Step 1: Write the proportion equation
292,198.58 : 438,120.47 = 114,492.68 : x - Step 2: Convert to fraction form
292,198.58/438,120.47 = 114,492.68/x - Step 3: Cross multiply
292,198.58x = 438,120.47 × 114,492.68 - Step 4: Simplify right side
292,198.58x = 50,161,584,010.09 - Step 5: Solve for x
x = 50,161,584,010.09/292,198.58 - Step 6: Final answer
x = 171,669.50
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1.5x scale
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.