Finding the Fourth Proportional to 145,968.58, 201,402.20 and 82,294.08
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Solution
The fourth proportional to 145,968.58, 201,402.20 and 82,294.08 is: 113,546.41
Step by Step Solution
- Step 1: Write the proportion equation
145,968.58 : 201,402.20 = 82,294.08 : x - Step 2: Convert to fraction form
145,968.58/201,402.20 = 82,294.08/x - Step 3: Cross multiply
145,968.58x = 201,402.20 × 82,294.08 - Step 4: Simplify right side
145,968.58x = 16,574,207,746.55 - Step 5: Solve for x
x = 16,574,207,746.55/145,968.58 - Step 6: Final answer
x = 113,546.41
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1.5x scale
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.