Finding the Fourth Proportional to 197,452.72, 272,201.34 and 140,765.68
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Solution
The fourth proportional to 197,452.72, 272,201.34 and 140,765.68 is: 194,054.59
Step by Step Solution
- Step 1: Write the proportion equation
197,452.72 : 272,201.34 = 140,765.68 : x - Step 2: Convert to fraction form
197,452.72/272,201.34 = 140,765.68/x - Step 3: Cross multiply
197,452.72x = 272,201.34 × 140,765.68 - Step 4: Simplify right side
197,452.72x = 38,316,606,722.01 - Step 5: Solve for x
x = 38,316,606,722.01/197,452.72 - Step 6: Final answer
x = 194,054.59
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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.