Finding the Fourth Proportional to 212,069.06, 292,657.36 and 115,273.34
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Solution
The fourth proportional to 212,069.06, 292,657.36 and 115,273.34 is: 159,078.33
Step by Step Solution
- Step 1: Write the proportion equation
212,069.06 : 292,657.36 = 115,273.34 : x - Step 2: Convert to fraction form
212,069.06/292,657.36 = 115,273.34/x - Step 3: Cross multiply
212,069.06x = 292,657.36 × 115,273.34 - Step 4: Simplify right side
212,069.06x = 33,735,591,362.78 - Step 5: Solve for x
x = 33,735,591,362.78/212,069.06 - Step 6: Final answer
x = 159,078.33
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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.