Finding the Fourth Proportional to 168,062.75, 252,089.05 and 68,220.53
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Solution
The fourth proportional to 168,062.75, 252,089.05 and 68,220.53 is: 102,328.73
Step by Step Solution
- Step 1: Write the proportion equation
168,062.75 : 252,089.05 = 68,220.53 : x - Step 2: Convert to fraction form
168,062.75/252,089.05 = 68,220.53/x - Step 3: Cross multiply
168,062.75x = 252,089.05 × 68,220.53 - Step 4: Simplify right side
168,062.75x = 17,197,648,598.20 - Step 5: Solve for x
x = 17,197,648,598.20/168,062.75 - Step 6: Final answer
x = 102,328.73
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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.