Finding the Fourth Proportional to 216,448.65, 324,744.95 and 136,394.11
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Solution
The fourth proportional to 216,448.65, 324,744.95 and 136,394.11 is: 204,636.52
Step by Step Solution
- Step 1: Write the proportion equation
216,448.65 : 324,744.95 = 136,394.11 : x - Step 2: Convert to fraction form
216,448.65/324,744.95 = 136,394.11/x - Step 3: Cross multiply
216,448.65x = 324,744.95 × 136,394.11 - Step 4: Simplify right side
216,448.65x = 44,293,298,432.24 - Step 5: Solve for x
x = 44,293,298,432.24/216,448.65 - Step 6: Final answer
x = 204,636.52
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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.