Finding the Fourth Proportional to 193,748.68, 290,615.05 and 67,417.84
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Solution
The fourth proportional to 193,748.68, 290,615.05 and 67,417.84 is: 101,123.99
Step by Step Solution
- Step 1: Write the proportion equation
193,748.68 : 290,615.05 = 67,417.84 : x - Step 2: Convert to fraction form
193,748.68/290,615.05 = 67,417.84/x - Step 3: Cross multiply
193,748.68x = 290,615.05 × 67,417.84 - Step 4: Simplify right side
193,748.68x = 19,592,638,942.49 - Step 5: Solve for x
x = 19,592,638,942.49/193,748.68 - Step 6: Final answer
x = 101,123.99
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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.