Finding the Fourth Proportional to 168,475.23, 252,587.99 and 79,624.94
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Solution
The fourth proportional to 168,475.23, 252,587.99 and 79,624.94 is: 119,378.39
Step by Step Solution
- Step 1: Write the proportion equation
168,475.23 : 252,587.99 = 79,624.94 : x - Step 2: Convert to fraction form
168,475.23/252,587.99 = 79,624.94/x - Step 3: Cross multiply
168,475.23x = 252,587.99 × 79,624.94 - Step 4: Simplify right side
168,475.23x = 20,112,301,887.41 - Step 5: Solve for x
x = 20,112,301,887.41/168,475.23 - Step 6: Final answer
x = 119,378.39
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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.