Finding the Fourth Proportional to 168,388.04, 252,615.33 and 61,772.99
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Solution
The fourth proportional to 168,388.04, 252,615.33 and 61,772.99 is: 92,671.69
Step by Step Solution
- Step 1: Write the proportion equation
168,388.04 : 252,615.33 = 61,772.99 : x - Step 2: Convert to fraction form
168,388.04/252,615.33 = 61,772.99/x - Step 3: Cross multiply
168,388.04x = 252,615.33 × 61,772.99 - Step 4: Simplify right side
168,388.04x = 15,604,802,990.86 - Step 5: Solve for x
x = 15,604,802,990.86/168,388.04 - Step 6: Final answer
x = 92,671.69
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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.