Finding the Fourth Proportional to 221,653.34, 332,972.13 and 137,475.74
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Solution
The fourth proportional to 221,653.34, 332,972.13 and 137,475.74 is: 206,518.84
Step by Step Solution
- Step 1: Write the proportion equation
221,653.34 : 332,972.13 = 137,475.74 : x - Step 2: Convert to fraction form
221,653.34/332,972.13 = 137,475.74/x - Step 3: Cross multiply
221,653.34x = 332,972.13 × 137,475.74 - Step 4: Simplify right side
221,653.34x = 45,775,589,971.13 - Step 5: Solve for x
x = 45,775,589,971.13/221,653.34 - Step 6: Final answer
x = 206,518.84
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1.5x scale
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.