Finding the Fourth Proportional to 212,122.07, 292,728.86 and 116,628.79
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Solution
The fourth proportional to 212,122.07, 292,728.86 and 116,628.79 is: 160,947.95
Step by Step Solution
- Step 1: Write the proportion equation
212,122.07 : 292,728.86 = 116,628.79 : x - Step 2: Convert to fraction form
212,122.07/292,728.86 = 116,628.79/x - Step 3: Cross multiply
212,122.07x = 292,728.86 × 116,628.79 - Step 4: Simplify right side
212,122.07x = 34,140,612,739.88 - Step 5: Solve for x
x = 34,140,612,739.88/212,122.07 - Step 6: Final answer
x = 160,947.95
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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.