Finding the Fourth Proportional to 480,144.08, 720,427.26 and 255,451.70
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Solution
The fourth proportional to 480,144.08, 720,427.26 and 255,451.70 is: 383,289.88
Step by Step Solution
- Step 1: Write the proportion equation
480,144.08 : 720,427.26 = 255,451.70 : x - Step 2: Convert to fraction form
480,144.08/720,427.26 = 255,451.70/x - Step 3: Cross multiply
480,144.08x = 720,427.26 × 255,451.70 - Step 4: Simplify right side
480,144.08x = 184,034,368,293.34 - Step 5: Solve for x
x = 184,034,368,293.34/480,144.08 - Step 6: Final answer
x = 383,289.88
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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.