Finding the Fourth Proportional to 188,905.05, 283,357.29 and 129,560.80
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Solution
The fourth proportional to 188,905.05, 283,357.29 and 129,560.80 is: 194,341.00
Step by Step Solution
- Step 1: Write the proportion equation
188,905.05 : 283,357.29 = 129,560.80 : x - Step 2: Convert to fraction form
188,905.05/283,357.29 = 129,560.80/x - Step 3: Cross multiply
188,905.05x = 283,357.29 × 129,560.80 - Step 4: Simplify right side
188,905.05x = 36,711,997,178.23 - Step 5: Solve for x
x = 36,711,997,178.23/188,905.05 - Step 6: Final answer
x = 194,341.00
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.