Finding the Fourth Proportional to 178,723.76, 268,124.21 and 60,392.48
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Solution
The fourth proportional to 178,723.76, 268,124.21 and 60,392.48 is: 90,601.75
Step by Step Solution
- Step 1: Write the proportion equation
178,723.76 : 268,124.21 = 60,392.48 : x - Step 2: Convert to fraction form
178,723.76/268,124.21 = 60,392.48/x - Step 3: Cross multiply
178,723.76x = 268,124.21 × 60,392.48 - Step 4: Simplify right side
178,723.76x = 16,192,684,347.36 - Step 5: Solve for x
x = 16,192,684,347.36/178,723.76 - Step 6: Final answer
x = 90,601.75
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1.5x scale
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.