Finding the Fourth Proportional to 193,905.18, 290,855.61 and 75,659.58
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Solution
The fourth proportional to 193,905.18, 290,855.61 and 75,659.58 is: 113,488.53
Step by Step Solution
- Step 1: Write the proportion equation
193,905.18 : 290,855.61 = 75,659.58 : x - Step 2: Convert to fraction form
193,905.18/290,855.61 = 75,659.58/x - Step 3: Cross multiply
193,905.18x = 290,855.61 × 75,659.58 - Step 4: Simplify right side
193,905.18x = 22,006,013,293.24 - Step 5: Solve for x
x = 22,006,013,293.24/193,905.18 - Step 6: Final answer
x = 113,488.53
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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.