Finding the Fourth Proportional to 79,623.28, 119,433.84 and 24,219.28
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Solution
The fourth proportional to 79,623.28, 119,433.84 and 24,219.28 is: 36,328.59
Step by Step Solution
- Step 1: Write the proportion equation
79,623.28 : 119,433.84 = 24,219.28 : x - Step 2: Convert to fraction form
79,623.28/119,433.84 = 24,219.28/x - Step 3: Cross multiply
79,623.28x = 119,433.84 × 24,219.28 - Step 4: Simplify right side
79,623.28x = 2,892,601,612.44 - Step 5: Solve for x
x = 2,892,601,612.44/79,623.28 - Step 6: Final answer
x = 36,328.59
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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.