Finding the Fourth Proportional to 247,742.76, 371,621.79 and 117,883.08
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Solution
The fourth proportional to 247,742.76, 371,621.79 and 117,883.08 is: 176,828.26
Step by Step Solution
- Step 1: Write the proportion equation
247,742.76 : 371,621.79 = 117,883.08 : x - Step 2: Convert to fraction form
247,742.76/371,621.79 = 117,883.08/x - Step 3: Cross multiply
247,742.76x = 371,621.79 × 117,883.08 - Step 4: Simplify right side
247,742.76x = 43,807,921,200.31 - Step 5: Solve for x
x = 43,807,921,200.31/247,742.76 - Step 6: Final answer
x = 176,828.26
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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.