Finding the Fourth Proportional to 212,040.67, 292,618.44 and 115,244.59
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Solution
The fourth proportional to 212,040.67, 292,618.44 and 115,244.59 is: 159,038.79
Step by Step Solution
- Step 1: Write the proportion equation
212,040.67 : 292,618.44 = 115,244.59 : x - Step 2: Convert to fraction form
212,040.67/292,618.44 = 115,244.59/x - Step 3: Cross multiply
212,040.67x = 292,618.44 × 115,244.59 - Step 4: Simplify right side
212,040.67x = 33,722,692,144.24 - Step 5: Solve for x
x = 33,722,692,144.24/212,040.67 - Step 6: Final answer
x = 159,038.79
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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.