Finding the Fourth Proportional to 212,010.24, 292,556.80 and 121,345.52
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Solution
The fourth proportional to 212,010.24, 292,556.80 and 121,345.52 is: 167,446.90
Step by Step Solution
- Step 1: Write the proportion equation
212,010.24 : 292,556.80 = 121,345.52 : x - Step 2: Convert to fraction form
212,010.24/292,556.80 = 121,345.52/x - Step 3: Cross multiply
212,010.24x = 292,556.80 × 121,345.52 - Step 4: Simplify right side
212,010.24x = 35,500,457,025.54 - Step 5: Solve for x
x = 35,500,457,025.54/212,010.24 - Step 6: Final answer
x = 167,446.90
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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.