Finding the Fourth Proportional to 119,909.71, 179,872.36 and 39,944.28
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Solution
The fourth proportional to 119,909.71, 179,872.36 and 39,944.28 is: 59,919.02
Step by Step Solution
- Step 1: Write the proportion equation
119,909.71 : 179,872.36 = 39,944.28 : x - Step 2: Convert to fraction form
119,909.71/179,872.36 = 39,944.28/x - Step 3: Cross multiply
119,909.71x = 179,872.36 × 39,944.28 - Step 4: Simplify right side
119,909.71x = 7,184,871,812.24 - Step 5: Solve for x
x = 7,184,871,812.24/119,909.71 - Step 6: Final answer
x = 59,919.02
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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.