Finding the Fourth Proportional to 221,449.34, 332,226.68 and 71,689.65
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Solution
The fourth proportional to 221,449.34, 332,226.68 and 71,689.65 is: 107,551.53
Step by Step Solution
- Step 1: Write the proportion equation
221,449.34 : 332,226.68 = 71,689.65 : x - Step 2: Convert to fraction form
221,449.34/332,226.68 = 71,689.65/x - Step 3: Cross multiply
221,449.34x = 332,226.68 × 71,689.65 - Step 4: Simplify right side
221,449.34x = 23,817,214,051.41 - Step 5: Solve for x
x = 23,817,214,051.41/221,449.34 - Step 6: Final answer
x = 107,551.53
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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.