Finding the Fourth Proportional to 221,832.57, 332,615.58 and 86,735.68
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Solution
The fourth proportional to 221,832.57, 332,615.58 and 86,735.68 is: 130,051.40
Step by Step Solution
- Step 1: Write the proportion equation
221,832.57 : 332,615.58 = 86,735.68 : x - Step 2: Convert to fraction form
221,832.57/332,615.58 = 86,735.68/x - Step 3: Cross multiply
221,832.57x = 332,615.58 × 86,735.68 - Step 4: Simplify right side
221,832.57x = 28,849,637,840.98 - Step 5: Solve for x
x = 28,849,637,840.98/221,832.57 - Step 6: Final answer
x = 130,051.40
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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.