Finding the Fourth Proportional to 328,647.84, 492,933.68 and 92,009.44
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Solution
The fourth proportional to 328,647.84, 492,933.68 and 92,009.44 is: 138,003.50
Step by Step Solution
- Step 1: Write the proportion equation
328,647.84 : 492,933.68 = 92,009.44 : x - Step 2: Convert to fraction form
328,647.84/492,933.68 = 92,009.44/x - Step 3: Cross multiply
328,647.84x = 492,933.68 × 92,009.44 - Step 4: Simplify right side
328,647.84x = 45,354,551,853.94 - Step 5: Solve for x
x = 45,354,551,853.94/328,647.84 - Step 6: Final answer
x = 138,003.50
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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.