Finding the Fourth Proportional to 283,739.85, 425,775.38 and 157,486.05
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Solution
The fourth proportional to 283,739.85, 425,775.38 and 157,486.05 is: 236,320.99
Step by Step Solution
- Step 1: Write the proportion equation
283,739.85 : 425,775.38 = 157,486.05 : x - Step 2: Convert to fraction form
283,739.85/425,775.38 = 157,486.05/x - Step 3: Cross multiply
283,739.85x = 425,775.38 × 157,486.05 - Step 4: Simplify right side
283,739.85x = 67,053,681,996.02 - Step 5: Solve for x
x = 67,053,681,996.02/283,739.85 - Step 6: Final answer
x = 236,320.99
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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.