Finding the Fourth Proportional to 168,562.68, 252,695.60 and 68,806.74
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Solution
The fourth proportional to 168,562.68, 252,695.60 and 68,806.74 is: 103,149.53
Step by Step Solution
- Step 1: Write the proportion equation
168,562.68 : 252,695.60 = 68,806.74 : x - Step 2: Convert to fraction form
168,562.68/252,695.60 = 68,806.74/x - Step 3: Cross multiply
168,562.68x = 252,695.60 × 68,806.74 - Step 4: Simplify right side
168,562.68x = 17,387,160,448.34 - Step 5: Solve for x
x = 17,387,160,448.34/168,562.68 - Step 6: Final answer
x = 103,149.53
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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.