Finding the Fourth Proportional to 121,891.40, 182,764.20 and 62,842.40
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Solution
The fourth proportional to 121,891.40, 182,764.20 and 62,842.40 is: 94,226.02
Step by Step Solution
- Step 1: Write the proportion equation
121,891.40 : 182,764.20 = 62,842.40 : x - Step 2: Convert to fraction form
121,891.40/182,764.20 = 62,842.40/x - Step 3: Cross multiply
121,891.40x = 182,764.20 × 62,842.40 - Step 4: Simplify right side
121,891.40x = 11,485,340,962.08 - Step 5: Solve for x
x = 11,485,340,962.08/121,891.40 - Step 6: Final answer
x = 94,226.02
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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.