Finding the Fourth Proportional to 197,140.21, 272,053.73 and 106,496.19
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Solution
The fourth proportional to 197,140.21, 272,053.73 and 106,496.19 is: 146,964.88
Step by Step Solution
- Step 1: Write the proportion equation
197,140.21 : 272,053.73 = 106,496.19 : x - Step 2: Convert to fraction form
197,140.21/272,053.73 = 106,496.19/x - Step 3: Cross multiply
197,140.21x = 272,053.73 × 106,496.19 - Step 4: Simplify right side
197,140.21x = 28,972,685,986.53 - Step 5: Solve for x
x = 28,972,685,986.53/197,140.21 - Step 6: Final answer
x = 146,964.88
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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.