Finding the Fourth Proportional to 283,359.24, 391,035.12 and 154,295.70
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Solution
The fourth proportional to 283,359.24, 391,035.12 and 154,295.70 is: 212,927.72
Step by Step Solution
- Step 1: Write the proportion equation
283,359.24 : 391,035.12 = 154,295.70 : x - Step 2: Convert to fraction form
283,359.24/391,035.12 = 154,295.70/x - Step 3: Cross multiply
283,359.24x = 391,035.12 × 154,295.70 - Step 4: Simplify right side
283,359.24x = 60,335,037,564.98 - Step 5: Solve for x
x = 60,335,037,564.98/283,359.24 - Step 6: Final answer
x = 212,927.72
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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.