Finding the Fourth Proportional to 121,518.60, 182,148.30 and 46,609.80
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Solution
The fourth proportional to 121,518.60, 182,148.30 and 46,609.80 is: 69,864.99
Step by Step Solution
- Step 1: Write the proportion equation
121,518.60 : 182,148.30 = 46,609.80 : x - Step 2: Convert to fraction form
121,518.60/182,148.30 = 46,609.80/x - Step 3: Cross multiply
121,518.60x = 182,148.30 × 46,609.80 - Step 4: Simplify right side
121,518.60x = 8,489,895,833.34 - Step 5: Solve for x
x = 8,489,895,833.34/121,518.60 - Step 6: Final answer
x = 69,864.99
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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.