Finding the Fourth Proportional to 216,056.76, 323,618.58 and 210,769.08
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Solution
The fourth proportional to 216,056.76, 323,618.58 and 210,769.08 is: 315,698.48
Step by Step Solution
- Step 1: Write the proportion equation
216,056.76 : 323,618.58 = 210,769.08 : x - Step 2: Convert to fraction form
216,056.76/323,618.58 = 210,769.08/x - Step 3: Cross multiply
216,056.76x = 323,618.58 × 210,769.08 - Step 4: Simplify right side
216,056.76x = 68,208,790,377.51 - Step 5: Solve for x
x = 68,208,790,377.51/216,056.76 - Step 6: Final answer
x = 315,698.48
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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.