Finding the Fourth Proportional to 306,520.21, 459,846.49 and 93,304.79
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Solution
The fourth proportional to 306,520.21, 459,846.49 and 93,304.79 is: 139,977.33
Step by Step Solution
- Step 1: Write the proportion equation
306,520.21 : 459,846.49 = 93,304.79 : x - Step 2: Convert to fraction form
306,520.21/459,846.49 = 93,304.79/x - Step 3: Cross multiply
306,520.21x = 459,846.49 × 93,304.79 - Step 4: Simplify right side
306,520.21x = 42,905,881,331.30 - Step 5: Solve for x
x = 42,905,881,331.30/306,520.21 - Step 6: Final answer
x = 139,977.33
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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.