Finding the Fourth Proportional to 283,625.94, 391,403.88 and 154,564.45
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Solution
The fourth proportional to 283,625.94, 391,403.88 and 154,564.45 is: 213,298.99
Step by Step Solution
- Step 1: Write the proportion equation
283,625.94 : 391,403.88 = 154,564.45 : x - Step 2: Convert to fraction form
283,625.94/391,403.88 = 154,564.45/x - Step 3: Cross multiply
283,625.94x = 391,403.88 × 154,564.45 - Step 4: Simplify right side
283,625.94x = 60,497,125,440.07 - Step 5: Solve for x
x = 60,497,125,440.07/283,625.94 - Step 6: Final answer
x = 213,298.99
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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.