Finding the Fourth Proportional to 220,323.58, 330,466.91 and 87,168.08
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Solution
The fourth proportional to 220,323.58, 330,466.91 and 87,168.08 is: 130,744.82
Step by Step Solution
- Step 1: Write the proportion equation
220,323.58 : 330,466.91 = 87,168.08 : x - Step 2: Convert to fraction form
220,323.58/330,466.91 = 87,168.08/x - Step 3: Cross multiply
220,323.58x = 330,466.91 × 87,168.08 - Step 4: Simplify right side
220,323.58x = 28,806,165,612.39 - Step 5: Solve for x
x = 28,806,165,612.39/220,323.58 - Step 6: Final answer
x = 130,744.82
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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.