Finding the Fourth Proportional to 167,319.81, 251,071.79 and 72,550.71
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Solution
The fourth proportional to 167,319.81, 251,071.79 and 72,550.71 is: 108,865.99
Step by Step Solution
- Step 1: Write the proportion equation
167,319.81 : 251,071.79 = 72,550.71 : x - Step 2: Convert to fraction form
167,319.81/251,071.79 = 72,550.71/x - Step 3: Cross multiply
167,319.81x = 251,071.79 × 72,550.71 - Step 4: Simplify right side
167,319.81x = 18,215,436,262.72 - Step 5: Solve for x
x = 18,215,436,262.72/167,319.81 - Step 6: Final answer
x = 108,865.99
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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.