Finding the Fourth Proportional to 320,243.13, 441,958.41 and 177,000.08
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Solution
The fourth proportional to 320,243.13, 441,958.41 and 177,000.08 is: 244,272.76
Step by Step Solution
- Step 1: Write the proportion equation
320,243.13 : 441,958.41 = 177,000.08 : x - Step 2: Convert to fraction form
320,243.13/441,958.41 = 177,000.08/x - Step 3: Cross multiply
320,243.13x = 441,958.41 × 177,000.08 - Step 4: Simplify right side
320,243.13x = 78,226,671,716.88 - Step 5: Solve for x
x = 78,226,671,716.88/320,243.13 - Step 6: Final answer
x = 244,272.76
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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.