Finding the Fourth Proportional to 216,484.42, 324,605.12 and 149,095.66
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Solution
The fourth proportional to 216,484.42, 324,605.12 and 149,095.66 is: 223,559.80
Step by Step Solution
- Step 1: Write the proportion equation
216,484.42 : 324,605.12 = 149,095.66 : x - Step 2: Convert to fraction form
216,484.42/324,605.12 = 149,095.66/x - Step 3: Cross multiply
216,484.42x = 324,605.12 × 149,095.66 - Step 4: Simplify right side
216,484.42x = 48,397,214,605.78 - Step 5: Solve for x
x = 48,397,214,605.78/216,484.42 - Step 6: Final answer
x = 223,559.80
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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.