Finding the Fourth Proportional to 154,276.76, 231,507.11 and 68,880.99
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Solution
The fourth proportional to 154,276.76, 231,507.11 and 68,880.99 is: 103,362.54
Step by Step Solution
- Step 1: Write the proportion equation
154,276.76 : 231,507.11 = 68,880.99 : x - Step 2: Convert to fraction form
154,276.76/231,507.11 = 68,880.99/x - Step 3: Cross multiply
154,276.76x = 231,507.11 × 68,880.99 - Step 4: Simplify right side
154,276.76x = 15,946,438,393.86 - Step 5: Solve for x
x = 15,946,438,393.86/154,276.76 - Step 6: Final answer
x = 103,362.54
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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.