Finding the Fourth Proportional to 283,888.18, 425,945.87 and 115,421.44
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Solution
The fourth proportional to 283,888.18, 425,945.87 and 115,421.44 is: 173,178.35
Step by Step Solution
- Step 1: Write the proportion equation
283,888.18 : 425,945.87 = 115,421.44 : x - Step 2: Convert to fraction form
283,888.18/425,945.87 = 115,421.44/x - Step 3: Cross multiply
283,888.18x = 425,945.87 × 115,421.44 - Step 4: Simplify right side
283,888.18x = 49,163,285,677.45 - Step 5: Solve for x
x = 49,163,285,677.45/283,888.18 - Step 6: Final answer
x = 173,178.35
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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.