Finding the Fourth Proportional to 178,880.20, 268,352.70 and 89,909.80
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Solution
The fourth proportional to 178,880.20, 268,352.70 and 89,909.80 is: 134,880.99
Step by Step Solution
- Step 1: Write the proportion equation
178,880.20 : 268,352.70 = 89,909.80 : x - Step 2: Convert to fraction form
178,880.20/268,352.70 = 89,909.80/x - Step 3: Cross multiply
178,880.20x = 268,352.70 × 89,909.80 - Step 4: Simplify right side
178,880.20x = 24,127,537,586.46 - Step 5: Solve for x
x = 24,127,537,586.46/178,880.20 - Step 6: Final answer
x = 134,880.99
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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.