Finding the Fourth Proportional to 310,962.21, 466,441.72 and 121,441.81
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Solution
The fourth proportional to 310,962.21, 466,441.72 and 121,441.81 is: 182,162.09
Step by Step Solution
- Step 1: Write the proportion equation
310,962.21 : 466,441.72 = 121,441.81 : x - Step 2: Convert to fraction form
310,962.21/466,441.72 = 121,441.81/x - Step 3: Cross multiply
310,962.21x = 466,441.72 × 121,441.81 - Step 4: Simplify right side
310,962.21x = 56,645,526,736.31 - Step 5: Solve for x
x = 56,645,526,736.31/310,962.21 - Step 6: Final answer
x = 182,162.09
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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.