Finding the Fourth Proportional to 168,931.92, 252,968.99 and 101,421.97
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Solution
The fourth proportional to 168,931.92, 252,968.99 and 101,421.97 is: 151,875.45
Step by Step Solution
- Step 1: Write the proportion equation
168,931.92 : 252,968.99 = 101,421.97 : x - Step 2: Convert to fraction form
168,931.92/252,968.99 = 101,421.97/x - Step 3: Cross multiply
168,931.92x = 252,968.99 × 101,421.97 - Step 4: Simplify right side
168,931.92x = 25,656,612,175.18 - Step 5: Solve for x
x = 25,656,612,175.18/168,931.92 - Step 6: Final answer
x = 151,875.45
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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.