Finding the Fourth Proportional to 411,447.75, 567,771.12 and 230,128.26
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Solution
The fourth proportional to 411,447.75, 567,771.12 and 230,128.26 is: 317,562.02
Step by Step Solution
- Step 1: Write the proportion equation
411,447.75 : 567,771.12 = 230,128.26 : x - Step 2: Convert to fraction form
411,447.75/567,771.12 = 230,128.26/x - Step 3: Cross multiply
411,447.75x = 567,771.12 × 230,128.26 - Step 4: Simplify right side
411,447.75x = 130,660,179,923.85 - Step 5: Solve for x
x = 130,660,179,923.85/411,447.75 - Step 6: Final answer
x = 317,562.02
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.