Finding the Fourth Proportional to 179,340.41, 247,486.79 and 98,775.44
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Solution
The fourth proportional to 179,340.41, 247,486.79 and 98,775.44 is: 136,308.46
Step by Step Solution
- Step 1: Write the proportion equation
179,340.41 : 247,486.79 = 98,775.44 : x - Step 2: Convert to fraction form
179,340.41/247,486.79 = 98,775.44/x - Step 3: Cross multiply
179,340.41x = 247,486.79 × 98,775.44 - Step 4: Simplify right side
179,340.41x = 24,445,614,845.13 - Step 5: Solve for x
x = 24,445,614,845.13/179,340.41 - Step 6: Final answer
x = 136,308.46
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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.