Finding the Fourth Proportional to 126,822.72, 190,248.66 and 74,232.66
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Solution
The fourth proportional to 126,822.72, 190,248.66 and 74,232.66 is: 111,357.52
Step by Step Solution
- Step 1: Write the proportion equation
126,822.72 : 190,248.66 = 74,232.66 : x - Step 2: Convert to fraction form
126,822.72/190,248.66 = 74,232.66/x - Step 3: Cross multiply
126,822.72x = 190,248.66 × 74,232.66 - Step 4: Simplify right side
126,822.72x = 14,122,664,093.24 - Step 5: Solve for x
x = 14,122,664,093.24/126,822.72 - Step 6: Final answer
x = 111,357.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.