Finding the Fourth Proportional to 262,612.41, 393,885.81 and 73,086.99
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Solution
The fourth proportional to 262,612.41, 393,885.81 and 73,086.99 is: 109,621.36
Step by Step Solution
- Step 1: Write the proportion equation
262,612.41 : 393,885.81 = 73,086.99 : x - Step 2: Convert to fraction form
262,612.41/393,885.81 = 73,086.99/x - Step 3: Cross multiply
262,612.41x = 393,885.81 × 73,086.99 - Step 4: Simplify right side
262,612.41x = 28,787,928,256.61 - Step 5: Solve for x
x = 28,787,928,256.61/262,612.41 - Step 6: Final answer
x = 109,621.36
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1.5x scale
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.