Finding the Fourth Proportional to 306,136.08, 459,320.64 and 276,451.20
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Solution
The fourth proportional to 306,136.08, 459,320.64 and 276,451.20 is: 414,782.02
Step by Step Solution
- Step 1: Write the proportion equation
306,136.08 : 459,320.64 = 276,451.20 : x - Step 2: Convert to fraction form
306,136.08/459,320.64 = 276,451.20/x - Step 3: Cross multiply
306,136.08x = 459,320.64 × 276,451.20 - Step 4: Simplify right side
306,136.08x = 126,979,742,112.77 - Step 5: Solve for x
x = 126,979,742,112.77/306,136.08 - Step 6: Final answer
x = 414,782.02
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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.