Finding the Fourth Proportional to 212,042.34, 292,620.66 and 115,246.18
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Solution
The fourth proportional to 212,042.34, 292,620.66 and 115,246.18 is: 159,040.94
Step by Step Solution
- Step 1: Write the proportion equation
212,042.34 : 292,620.66 = 115,246.18 : x - Step 2: Convert to fraction form
212,042.34/292,620.66 = 115,246.18/x - Step 3: Cross multiply
212,042.34x = 292,620.66 × 115,246.18 - Step 4: Simplify right side
212,042.34x = 33,723,413,254.08 - Step 5: Solve for x
x = 33,723,413,254.08/212,042.34 - Step 6: Final answer
x = 159,040.94
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1.5x scale
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.