Finding the Fourth Proportional to 295,242.41, 407,630.61 and 227,139.23
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Solution
The fourth proportional to 295,242.41, 407,630.61 and 227,139.23 is: 313,602.99
Step by Step Solution
- Step 1: Write the proportion equation
295,242.41 : 407,630.61 = 227,139.23 : x - Step 2: Convert to fraction form
295,242.41/407,630.61 = 227,139.23/x - Step 3: Cross multiply
295,242.41x = 407,630.61 × 227,139.23 - Step 4: Simplify right side
295,242.41x = 92,588,902,879.83 - Step 5: Solve for x
x = 92,588,902,879.83/295,242.41 - Step 6: Final answer
x = 313,602.99
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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.