Finding the Fourth Proportional to 178,834.95, 268,293.97 and 52,470.09
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Solution
The fourth proportional to 178,834.95, 268,293.97 and 52,470.09 is: 78,717.32
Step by Step Solution
- Step 1: Write the proportion equation
178,834.95 : 268,293.97 = 52,470.09 : x - Step 2: Convert to fraction form
178,834.95/268,293.97 = 52,470.09/x - Step 3: Cross multiply
178,834.95x = 268,293.97 × 52,470.09 - Step 4: Simplify right side
178,834.95x = 14,077,408,752.36 - Step 5: Solve for x
x = 14,077,408,752.36/178,834.95 - Step 6: Final answer
x = 78,717.32
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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.