Finding the Fourth Proportional to 320,112.03, 441,753.68 and 176,871.05
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Solution
The fourth proportional to 320,112.03, 441,753.68 and 176,871.05 is: 244,081.54
Step by Step Solution
- Step 1: Write the proportion equation
320,112.03 : 441,753.68 = 176,871.05 : x - Step 2: Convert to fraction form
320,112.03/441,753.68 = 176,871.05/x - Step 3: Cross multiply
320,112.03x = 441,753.68 × 176,871.05 - Step 4: Simplify right side
320,112.03x = 78,133,437,222.96 - Step 5: Solve for x
x = 78,133,437,222.96/320,112.03 - Step 6: Final answer
x = 244,081.54
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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.