Finding the Fourth Proportional to 320,934.67, 442,903.67 and 177,694.70
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Solution
The fourth proportional to 320,934.67, 442,903.67 and 177,694.70 is: 245,226.34
Step by Step Solution
- Step 1: Write the proportion equation
320,934.67 : 442,903.67 = 177,694.70 : x - Step 2: Convert to fraction form
320,934.67/442,903.67 = 177,694.70/x - Step 3: Cross multiply
320,934.67x = 442,903.67 × 177,694.70 - Step 4: Simplify right side
320,934.67x = 78,701,634,769.55 - Step 5: Solve for x
x = 78,701,634,769.55/320,934.67 - Step 6: Final answer
x = 245,226.34
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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.