Finding the Fourth Proportional to 197,649.63, 272,751.48 and 110,435.45
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Solution
The fourth proportional to 197,649.63, 272,751.48 and 110,435.45 is: 152,398.12
Step by Step Solution
- Step 1: Write the proportion equation
197,649.63 : 272,751.48 = 110,435.45 : x - Step 2: Convert to fraction form
197,649.63/272,751.48 = 110,435.45/x - Step 3: Cross multiply
197,649.63x = 272,751.48 × 110,435.45 - Step 4: Simplify right side
197,649.63x = 30,121,431,068.21 - Step 5: Solve for x
x = 30,121,431,068.21/197,649.63 - Step 6: Final answer
x = 152,398.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.