Finding the Fourth Proportional to 172,691.19, 257,770.19 and 160,027.13
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Solution
The fourth proportional to 172,691.19, 257,770.19 and 160,027.13 is: 238,866.99
Step by Step Solution
- Step 1: Write the proportion equation
172,691.19 : 257,770.19 = 160,027.13 : x - Step 2: Convert to fraction form
172,691.19/257,770.19 = 160,027.13/x - Step 3: Cross multiply
172,691.19x = 257,770.19 × 160,027.13 - Step 4: Simplify right side
172,691.19x = 41,250,224,749.75 - Step 5: Solve for x
x = 41,250,224,749.75/172,691.19 - Step 6: Final answer
x = 238,866.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.