Finding the Fourth Proportional to 235,688.84, 325,247.22 and 129,704.84
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Solution
The fourth proportional to 235,688.84, 325,247.22 and 129,704.84 is: 178,990.82
Step by Step Solution
- Step 1: Write the proportion equation
235,688.84 : 325,247.22 = 129,704.84 : x - Step 2: Convert to fraction form
235,688.84/325,247.22 = 129,704.84/x - Step 3: Cross multiply
235,688.84x = 325,247.22 × 129,704.84 - Step 4: Simplify right side
235,688.84x = 42,186,138,630.54 - Step 5: Solve for x
x = 42,186,138,630.54/235,688.84 - Step 6: Final answer
x = 178,990.82
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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.