Finding the Fourth Proportional to 132,869.76, 199,305.36 and 39,376.32
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Solution
The fourth proportional to 132,869.76, 199,305.36 and 39,376.32 is: 59,064.69
Step by Step Solution
- Step 1: Write the proportion equation
132,869.76 : 199,305.36 = 39,376.32 : x - Step 2: Convert to fraction form
132,869.76/199,305.36 = 39,376.32/x - Step 3: Cross multiply
132,869.76x = 199,305.36 × 39,376.32 - Step 4: Simplify right side
132,869.76x = 7,847,911,633.08 - Step 5: Solve for x
x = 7,847,911,633.08/132,869.76 - Step 6: Final answer
x = 59,064.69
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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.