Finding the Fourth Proportional to 165,074.76, 247,520.88 and 51,190.99
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Solution
The fourth proportional to 165,074.76, 247,520.88 and 51,190.99 is: 76,758.18
Step by Step Solution
- Step 1: Write the proportion equation
165,074.76 : 247,520.88 = 51,190.99 : x - Step 2: Convert to fraction form
165,074.76/247,520.88 = 51,190.99/x - Step 3: Cross multiply
165,074.76x = 247,520.88 × 51,190.99 - Step 4: Simplify right side
165,074.76x = 12,670,838,274.07 - Step 5: Solve for x
x = 12,670,838,274.07/165,074.76 - Step 6: Final answer
x = 76,758.18
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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.