Finding the Fourth Proportional to 221,575.40, 332,363.10 and 133,101.80
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Solution
The fourth proportional to 221,575.40, 332,363.10 and 133,101.80 is: 199,652.70
Step by Step Solution
- Step 1: Write the proportion equation
221,575.40 : 332,363.10 = 133,101.80 : x - Step 2: Convert to fraction form
221,575.40/332,363.10 = 133,101.80/x - Step 3: Cross multiply
221,575.40x = 332,363.10 × 133,101.80 - Step 4: Simplify right side
221,575.40x = 44,238,126,863.58 - Step 5: Solve for x
x = 44,238,126,863.58/221,575.40 - Step 6: Final answer
x = 199,652.70
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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.