Finding the Fourth Proportional to 283,562.70, 425,344.05 and 212,703.90
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Solution
The fourth proportional to 283,562.70, 425,344.05 and 212,703.90 is: 319,055.85
Step by Step Solution
- Step 1: Write the proportion equation
283,562.70 : 425,344.05 = 212,703.90 : x - Step 2: Convert to fraction form
283,562.70/425,344.05 = 212,703.90/x - Step 3: Cross multiply
283,562.70x = 425,344.05 × 212,703.90 - Step 4: Simplify right side
283,562.70x = 90,472,338,276.80 - Step 5: Solve for x
x = 90,472,338,276.80/283,562.70 - Step 6: Final answer
x = 319,055.85
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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.