Finding the Fourth Proportional to 521,208.84, 781,961.28 and 268,674.48
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Solution
The fourth proportional to 521,208.84, 781,961.28 and 268,674.48 is: 403,088.02
Step by Step Solution
- Step 1: Write the proportion equation
521,208.84 : 781,961.28 = 268,674.48 : x - Step 2: Convert to fraction form
521,208.84/781,961.28 = 268,674.48/x - Step 3: Cross multiply
521,208.84x = 781,961.28 × 268,674.48 - Step 4: Simplify right side
521,208.84x = 210,093,040,284.13 - Step 5: Solve for x
x = 210,093,040,284.13/521,208.84 - Step 6: Final answer
x = 403,088.02
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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.