Finding the Fourth Proportional to 221,004.10, 330,728.55 and 202,341.70
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Solution
The fourth proportional to 221,004.10, 330,728.55 and 202,341.70 is: 302,800.61
Step by Step Solution
- Step 1: Write the proportion equation
221,004.10 : 330,728.55 = 202,341.70 : x - Step 2: Convert to fraction form
221,004.10/330,728.55 = 202,341.70/x - Step 3: Cross multiply
221,004.10x = 330,728.55 × 202,341.70 - Step 4: Simplify right side
221,004.10x = 66,920,177,045.54 - Step 5: Solve for x
x = 66,920,177,045.54/221,004.10 - Step 6: Final answer
x = 302,800.61
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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.