Finding the Fourth Proportional to 221,497.90, 332,246.85 and 132,705.70
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Solution
The fourth proportional to 221,497.90, 332,246.85 and 132,705.70 is: 199,058.55
Step by Step Solution
- Step 1: Write the proportion equation
221,497.90 : 332,246.85 = 132,705.70 : x - Step 2: Convert to fraction form
221,497.90/332,246.85 = 132,705.70/x - Step 3: Cross multiply
221,497.90x = 332,246.85 × 132,705.70 - Step 4: Simplify right side
221,497.90x = 44,091,050,802.05 - Step 5: Solve for x
x = 44,091,050,802.05/221,497.90 - Step 6: Final answer
x = 199,058.55
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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.