Finding the Fourth Proportional to 221,800.02, 306,084.81 and 121,198.02
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Solution
The fourth proportional to 221,800.02, 306,084.81 and 121,198.02 is: 167,253.70
Step by Step Solution
- Step 1: Write the proportion equation
221,800.02 : 306,084.81 = 121,198.02 : x - Step 2: Convert to fraction form
221,800.02/306,084.81 = 121,198.02/x - Step 3: Cross multiply
221,800.02x = 306,084.81 × 121,198.02 - Step 4: Simplify right side
221,800.02x = 37,096,872,924.08 - Step 5: Solve for x
x = 37,096,872,924.08/221,800.02 - Step 6: Final answer
x = 167,253.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.