Finding the Fourth Proportional to 108,252.08, 162,380.88 and 51,312.68
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Solution
The fourth proportional to 108,252.08, 162,380.88 and 51,312.68 is: 76,970.33
Step by Step Solution
- Step 1: Write the proportion equation
108,252.08 : 162,380.88 = 51,312.68 : x - Step 2: Convert to fraction form
108,252.08/162,380.88 = 51,312.68/x - Step 3: Cross multiply
108,252.08x = 162,380.88 × 51,312.68 - Step 4: Simplify right side
108,252.08x = 8,332,198,133.56 - Step 5: Solve for x
x = 8,332,198,133.56/108,252.08 - Step 6: Final answer
x = 76,970.33
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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.