Finding the Fourth Proportional to 283,566.70, 425,326.05 and 86,574.70
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Solution
The fourth proportional to 283,566.70, 425,326.05 and 86,574.70 is: 129,854.72
Step by Step Solution
- Step 1: Write the proportion equation
283,566.70 : 425,326.05 = 86,574.70 : x - Step 2: Convert to fraction form
283,566.70/425,326.05 = 86,574.70/x - Step 3: Cross multiply
283,566.70x = 425,326.05 × 86,574.70 - Step 4: Simplify right side
283,566.70x = 36,822,475,180.94 - Step 5: Solve for x
x = 36,822,475,180.94/283,566.70 - Step 6: Final answer
x = 129,854.72
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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.