Finding the Fourth Proportional to 221,044.16, 331,630.94 and 71,281.44
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Solution
The fourth proportional to 221,044.16, 331,630.94 and 71,281.44 is: 106,943.02
Step by Step Solution
- Step 1: Write the proportion equation
221,044.16 : 331,630.94 = 71,281.44 : x - Step 2: Convert to fraction form
221,044.16/331,630.94 = 71,281.44/x - Step 3: Cross multiply
221,044.16x = 331,630.94 × 71,281.44 - Step 4: Simplify right side
221,044.16x = 23,639,130,951.75 - Step 5: Solve for x
x = 23,639,130,951.75/221,044.16 - Step 6: Final answer
x = 106,943.02
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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.