Finding the Fourth Proportional to 132,637.64, 198,936.84 and 48,378.08
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Solution
The fourth proportional to 132,637.64, 198,936.84 and 48,378.08 is: 72,559.96
Step by Step Solution
- Step 1: Write the proportion equation
132,637.64 : 198,936.84 = 48,378.08 : x - Step 2: Convert to fraction form
132,637.64/198,936.84 = 48,378.08/x - Step 3: Cross multiply
132,637.64x = 198,936.84 × 48,378.08 - Step 4: Simplify right side
132,637.64x = 9,624,182,360.47 - Step 5: Solve for x
x = 9,624,182,360.47/132,637.64 - Step 6: Final answer
x = 72,559.96
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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.