Finding the Fourth Proportional to 197,108.52, 272,009.70 and 106,464.44
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Solution
The fourth proportional to 197,108.52, 272,009.70 and 106,464.44 is: 146,920.90
Step by Step Solution
- Step 1: Write the proportion equation
197,108.52 : 272,009.70 = 106,464.44 : x - Step 2: Convert to fraction form
197,108.52/272,009.70 = 106,464.44/x - Step 3: Cross multiply
197,108.52x = 272,009.70 × 106,464.44 - Step 4: Simplify right side
197,108.52x = 28,959,360,385.07 - Step 5: Solve for x
x = 28,959,360,385.07/197,108.52 - Step 6: Final answer
x = 146,920.90
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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.