Finding the Fourth Proportional to 145,717.52, 201,088.20 and 82,056.08
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Solution
The fourth proportional to 145,717.52, 201,088.20 and 82,056.08 is: 113,236.28
Step by Step Solution
- Step 1: Write the proportion equation
145,717.52 : 201,088.20 = 82,056.08 : x - Step 2: Convert to fraction form
145,717.52/201,088.20 = 82,056.08/x - Step 3: Cross multiply
145,717.52x = 201,088.20 × 82,056.08 - Step 4: Simplify right side
145,717.52x = 16,500,509,426.26 - Step 5: Solve for x
x = 16,500,509,426.26/145,717.52 - Step 6: Final answer
x = 113,236.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.