Finding the Fourth Proportional to 220,283.21, 330,534.58 and 87,259.34
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Solution
The fourth proportional to 220,283.21, 330,534.58 and 87,259.34 is: 130,932.49
Step by Step Solution
- Step 1: Write the proportion equation
220,283.21 : 330,534.58 = 87,259.34 : x - Step 2: Convert to fraction form
220,283.21/330,534.58 = 87,259.34/x - Step 3: Cross multiply
220,283.21x = 330,534.58 × 87,259.34 - Step 4: Simplify right side
220,283.21x = 28,842,229,297.98 - Step 5: Solve for x
x = 28,842,229,297.98/220,283.21 - Step 6: Final answer
x = 130,932.49
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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.