Finding the Fourth Proportional to 306,421.26, 459,635.10 and 93,223.88
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Solution
The fourth proportional to 306,421.26, 459,635.10 and 93,223.88 is: 139,836.80
Step by Step Solution
- Step 1: Write the proportion equation
306,421.26 : 459,635.10 = 93,223.88 : x - Step 2: Convert to fraction form
306,421.26/459,635.10 = 93,223.88/x - Step 3: Cross multiply
306,421.26x = 459,635.10 × 93,223.88 - Step 4: Simplify right side
306,421.26x = 42,848,967,406.19 - Step 5: Solve for x
x = 42,848,967,406.19/306,421.26 - Step 6: Final answer
x = 139,836.80
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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.