Finding the Fourth Proportional to 197,125.21, 272,032.90 and 106,481.18
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Solution
The fourth proportional to 197,125.21, 272,032.90 and 106,481.18 is: 146,944.08
Step by Step Solution
- Step 1: Write the proportion equation
197,125.21 : 272,032.90 = 106,481.18 : x - Step 2: Convert to fraction form
197,125.21/272,032.90 = 106,481.18/x - Step 3: Cross multiply
197,125.21x = 272,032.90 × 106,481.18 - Step 4: Simplify right side
197,125.21x = 28,966,382,564.45 - Step 5: Solve for x
x = 28,966,382,564.45/197,125.21 - Step 6: Final answer
x = 146,944.08
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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.